How Many Litres Of Blood In Human Body When Pregnant

A woman weighing 110 lb has about 3. ""The body of an adult male contains about five litres of blood, that of a woman or a child less. Health related question in topics Conditions Illness Biology. Using models of how ingested mercury is distributed in the body, EPA estimated that an average woman who consumed 0. Body water percentage depends on age, body structure and gender of the person. 1%, but it becomes much higher in persons suffering from diabetes. While magnesium is the fourth most abundant mineral in the human body, very little actually circulates in the blood or other tissues. In fact, more than 300 biochemical processes directly depend on magnesium. Get latest on all things healthy with fun workout tips, nutrition information, and medical content. Before pregnancy, most of the space in your abdomen is taken up by the large and small intestines. The total amount of blood in a pregnant woman's body has increased by approximately 25 percent by the time of delivery. Intracellular fluid compartment. You can lose. It is the only human cell that can be seen with the naked eye. The first one uses Dr. During pregnancy, the volume of blood in a woman's body increases by a whopping 50 percent in order to help support the uterus. A healthy person's kidneys usually remove excess water from the blood pretty quickly. Have a look at the table of the symptoms of effects of alcohol at different levels of blood alcohol concentration (BAC). 28 US Quarts of blood, 4968 milliliters and 1. 7-3 litres is plasma. Every cell in the body must be close to a blood vessel (within about 100 microns) in order to receive oxygen and nutrients. The human female egg is the largest cell in the human body. A person of about 70 kilogrammes has a blood volume of 5 to 6 litres. A higher circulating blood volume is required to provide extra blood flow through the placenta, so nutrients and oxygen can be. The blood circulates through the body so that it reaches every one of the billions of cells that make up the body tissues. The half-life of caffeine, which refers to the time needed to eliminate half amount of caffeine out of the body, depends on many other factors such as age, body condition, liver function, etc. Some people do not find out they have. A typical human body contains approximately a gallon and a quarter, or ten pints, or 4. For reference, when a person donates blood, about eight to 10 percent of the body's blood is removed. Human blood density is around 1060 kg/m³. Which is fairly equal to 5 liters of blood, 5. When might you need a blood transfusion? Blood is usually transfused to replace. Health related question in topics Conditions Illness Biology. rtf from NURS 140 at University of Alberta. A woman weighing 110 lb has about 3. Normally blood makes 7- 8% of human body weight. How many Litres of blood are in the pregnant human body? Adults: The average adult weighing 150 to 180 pounds should have about 1. It offers basic information about the medication, including reasons why a clinician might prescribe it. Human body contains about 6 litres of blood. A vaginal delivery can be beneficial for a baby’s immune system. "On the average, an adult human male who weighs 70 kg. High blood sugar levels increase your risk of developing serious complications. Once you know how many sanitary products you use during your period, you'll need to determine how much blood you actually lost. The average person has about 4. what happens if you donate 1 Liter of blood? Hi, for curiosity I wish to know the immediate effects of taking out 1 litre of blood from the human body on the blood pressure and pulse etc. Both blood and urine mercury levels tend to increase with age. 3 kg, may have extra 1. The average human body have somewhere around 5 liters of blood. Keep reading to know more. Would you settle for a whole bunch? I didn't think so. 5 ml (6-8% of the body weight), however in older and obese animals this may be lower. You know, at the time that I wrote Jennifer's Body, I'd only done one feature at that point -- I had written Juno, which is not a horror movie unless you think that unwanted pregnancy is a horror, which I guess it kind of is. In January 1944, a 17-year-old Navy seaman named Nathan Schnurman volunteered to test protective clothing for the Navy. Levels in body fat increase over a period of hours or days, and slowly release metabolites into the bloodstream thereafter. To organize these functions, they are separated here between those that "build tissue," and those that "change tissue" in some other way. When many identical cells are organized together it is called a tissue (such as muscle tissue, nervous tissue, etc). (not called white blood cells, because they often leave the blood). 7200 litres per day(14405) avg amount of blood in adult is 4. The cerebral blood flow (CBF) study study involves the injection of a mild radioactive isotope into the blood stream. On the last week of the pill (or the placebo pills), the hormones are removed, telling the body no egg was implanted and. So, the primary function of this system is to serve as an accessory route for the delivery of the excess interstitial fluid back to the blood circulatory system. Up to 80 percent of your body weight is water. YSCysc Fitness Tracker Smart Wristband Watch Women Mens Bluetooth Waterproof Heart Rate Blood Pressure Health Monitor Information Push For Android IOS Black : Problems as cones, you chose to buy them, and meals on the man, who has a part of them, it that much water it, this way to be a local plant loses some great thing happens to go over the merry wives of the best that has both men crave a. 2 lbs) of weight post-exercise below the pre-exercise weight the body will need about 1. Talking about blood, many aspects. Dangerously low hemoglobin levels put a person at risk of a heart attack, congestive heart failure, or stroke. Pregnant women should drink about 10 cups of water daily. Compared to that, voluntary reaction time to a visual “act” signal in a laboratory, even when the subject is keyed up and expecting it, is around one-seventh of a second. When it comes to toxic substances, WHAT YOU KNOW CAN HELP YOU. The Blood Center is committed to serving local hospitals first, then helping others as the blood supply allows. On an average how many litres of blood a human body have ? Top Answer. Prolactin causes your alveoli to take nutrients (proteins, sugars) from your blood supply and turn them into breast milk. For a 150lb person, tha equates to around 4. The standard amount of blood taken when a person gives a blood donation is 1 pint. "In just a. In children, the definition varies with age and sex. That's five 2-liter soda bottles! ~The uterus has 1/2 liter of blood flowing through it per minute at the time of birth/full term. the stomach is an organ, and so is the skin, the brain, and the uterus). (If high blood pressure is first discovered before you are 20 weeks pregnant, this usually means that you had previously undetected high blood pressure before you were pregnant. Blood plasma contain 55% of the blood and 92% of the plasma is water. Drug Monographs. I have been told it is 8 universally; but can a 5ft person really have the same as a 7ft giant? I've always been told there was 12 litres of. 5 liters a day (about six cups) would burn an extra 17,400 calories over the course of the year—a weight loss of approximately five pounds! Learn more of The 55 Best Ways to Boost Your Metabolism. In the picture here, you can see that the vagina is behind the bladder (sac that collects urine) and urethra (tube for moving urine out of bladder and body). "In just a single day, the. People who are athletic, older, or pregnant may need to drink extra water. Infections have the potential to cause illness, but in many cases the infected person does not get sick. Nicotine, a naturally occurring alkaloid found in tobacco leaves, most commonly enters the human body as cigarette smoke. (Slightly more if you have a muscular build, slightly less if you're overweight. There are several different formulas, you can try the army body fat calculator for a different estimate. The body fluid compartments in the body can be divided into: 1. How many ounces are in a vial of blood? Find out here! Plus, easily figure out other medical related fluid conversons. The average human body contains about 4 to 5 liters of blood. A newborn baby weighing between 5 and 8 lbs. Different tests are done to discover the cause and type of anemia. standard drink is defined as any beverage containing 0. That's more than a gallon. MULTIPLE CHOICE 1. Which is fairly equal to 5 liters of blood, 5. You can make a more informed decision about whether or not to drink. The amount of blood in human body that the heart pumps every minute may vary from person to person, but it is usually between 5 to 30 liters per minute. The amount of blood in the human body is generally equivalent to 7 percent of body weight. Humans typically consume around 2 liters of dietary water on a daily basis through various means, including drinking water directly or via food and other beverages. MULTIPLE CHOICE 1. It also regulates the body temperature. Please donate blood so that your "nonprofit hospital" can charge $250. However, drinking too much can lead to water intoxication, which can cause symptoms as severe as seizures and brain damage. rtf from NURS 140 at University of Alberta. This is about 4,500 to 5,700 mL. Let me know if you need more input. On many occasions The Blood Center has been called upon for help in response to natural disasters, accidents and more. Amniotic fluid levels generally sit at approximately 800ml through most of the pregnancy, dropping slightly in most cases to about 600ml by the time a woman reaches the 40 week mark. View Chapter-9 (Blood-no ans). The real risks from a blood transfusion come from the body’s reaction to the strange blood. For reference, when a person donates blood, about eight to 10 percent of the body’s blood is removed. 28 comments. Habits of the heart. Many substances required by the body can be found in the blood plasma. 7 liters of water each day. 2 liters) of blood in their body, he added. To calculate blood volume for a man, cube your height in inches and multiply it by 0. ) About half of this is actually circulating at any one time. Depending on how you look at it, the human body is either one of the most vulnerable things on the planet, or one of the most resilient. ) So, high blood pressure before 20 weeks of pregnancy is not caused by pregnancy but is pre-existing, or chronic, high blood pressure. Normally, blood is maintained in a fluid state in the body because of a delicate balance between. Feeling sick to your stomach, a low, weak or irregular pulse and fainting may occur. 4 additional gallons of blood. You can lose quite a bit of blood without experiencing any side effects or complications. 2 litres/min in an adult — which is a quarter of the total output of the heart (5 litres/min). (Reference: Criteria for a Recommended Standard: Occupational exposure to heat and hot environments. three and a half liters, or 3. The average adult has a blood volume of roughly 5 litres (11 US pt) or 1. 5 gallons (4. has a blood volume of about 5 liters, or a little more than 5 quarts. You need to consume a quart of water each day for four months to equate to the amount of blood your heart pumps in one hour. 6 to get the weight function. Due to this increase in blood volume, it is important for pregnant women to also increase their intake of folic acid and iron. EXCLUSIVE: Rachel McCord, 30, reveals she's two months pregnant with her first child, months after discovering a painful cyst on her ovary and needing an emergency surgery. In the picture here, you can see that the vagina is behind the bladder (sac that collects urine) and urethra (tube for moving urine out of bladder and body). Her body was found in her home shortly after she took part in a water-drinking contest that was sponsored by a local radio show. These numbers are close to the World Health Organization numbers of 10 micrograms per liter for pregnant women and 20 micrograms per liter for nonpregnant adults. According to western science, breathing is through nostrils, part of respiratory system; But Eastern science recognizes the seven major chakras. This five-liter average is estimated for a standard adult male weighing 160 pounds. When blood can't flow freely to your heart, you can have chest pain (angina), irregular heart rhythms (arrhythmias) or a heart attack. On Wednesday afternoon an arson expert testified about the burn area at Patrick Frazee's property and how bodies break down in a fire, and a friend of Frazee's testified what he told her after. A low hemoglobin value usually indicates the person has anemia. How many pounds are equivalent to a 1 liter or fat in a Smart Lipo? Human fat has a this may not equate to what your body weight is because of fluid and other. Whether you need a pain reliever for high blood pressure or aspirin heart therapy, find information on how to safely take TYLENOL® as a pain reliever. Ninety-five percent of alcohol that is put into the body leaves the body when it is oxidized in the liver oxidation is the converting of alcohol into water and carbon dioxide. The first notable sign is darkened and enlarged nipples, as your cat's body prepares to make milk for its young. It is evident that water is one of the key elements responsible for human life on earth and is vital for our survival. A low hemoglobin level count is generally defined as less than 13. This occurs as a result of destruction or deficiency of blood-forming stem cells in your bone marrow, in particular when the body's own immune system attacks the stem cells. It takes up to 2-3 weeks after sex for pregnancy to happen. It seems to me every time pro-lifers say you can just adopt out your baby they always ignore the fact that during pregnancy there is a lot of expensive health care to pay for. An average child with a weight of 80 pounds has 2. Platelets help blood to clot when you have a cut or wound. 8% is in the arterial tree of the body. Did you know that about seven to eight percent of the human body weight is made up of blood? A healthy adult with a body weight of 60 kilograms has approximately 4. The average amount of blood in a human boy is equal to 4. What are the normal values of body temperature in oc, heart rate in beats per minute, blood pressure in mmHg, and breathing rate in breaths per minute? How many red blood cells does your body make in one minute? Which English doctor proved that heart pumps blood around the body?. Find out how much blood you lose in common. Blood comprises water, some substances and cells. An hCG level  between 6 and 24 mIU/mL is considered a grey area, and you’ll likely need to be retested to see if your levels rise to confirm a pregnancy. On the last week of the pill (or the placebo pills), the hormones are removed, telling the body no egg was implanted and. Blood sugar or blood glucose levels are the levels of glucose present in the blood. How many pints of blood in the body: From the above discussion, we can calculate now the amount of blood in the pint unit in an adult human body. how many litres of blood are there in the human body. Human pregnancy lasts approximately 40 weeks from the time of the last menstrual cycle to childbirth (38 weeks from fertilization). How many liters of blood are in an human body ? Ask for details ; Follow Report by Jijinraj 2 weeks ago Log in to add a comment. Indeed, bones are capable of growing, repairing, and even changing their shape to meet the demands we place on them. Many people ask exactly how much blood they have in their bodies. The total quantity of blood within an individual depends upon body weight; a person weighing 70 kg (154 lb) has about 4. A human can go for more than three weeks without food – Mahatma Gandhi survived 21 days of complete starvation – but water is a different story. When consumed in moderate doses (no more than 200 mg, or about 1-2 6-oz cups of coffee), caffeine can help people feel more alert and less sleepy. Divide your weight in pounds by 22 and you get the number of litres of blood you have. 7 litres [7 quarts] for a man weighing 86 kg), and the loss of any part of this will initiate certain cardiovascular reflexes. 5 liters of blood in the body. The average adult has about 10 pints of blood in his body. Human body contains about 6 litres of blood. As a liquid connective tissue, it transports many substances through the body and helps to maintain homeostasis of nutrients, wastes, and gases. Ninety-five percent of alcohol that is put into the body leaves the body when it is oxidized in the liver oxidation is the converting of alcohol into water and carbon dioxide. How changes in barometric pressure affect the human body. Human growth hormone acts as a security guard for muscle, she says, telling the body to burn fat for energy instead. Human blood density is around 1060 kg/m³. Foods with high protein content, specifically animal protein, are major sources. Your heart pumps approximately 2,000 gallons (7,571 liters) of blood each day through its chambers. “How many cells are there in a 9-year old tree, in a flower and in an elephant?” – I was asked this question recently by an elementary school teacher, and I, as a biologist, should naturally know this answer. The red blood cells carry oxygen to various cells of the body. Blood accounts for 7% of the human body weight, with an average density around 1060 kg/m 3, very close to pure water's density of 1000 kg/m 3. Take all of your medications as directed. A healthy person's kidneys usually remove excess water from the blood pretty quickly. The amount of blood inside the human body is generally equivalent to 7% of the human body's weight. Follow all of your healthcare provider's recommendations for follow up blood work and laboratory tests if blood test results indicate hypomagnesemia. It's one in a family of diseases called myeloproliferative disorders. The adult body contains about two to three grams of zinc. Caribbean medical faculties give people alternatives to go to medical faculty that they. 3 kg, will increase her plasma volume by an average of about 1250 ml, a little under 50% of the average non-pregnant volume for white European women of about 2600 ml. One mechanism the body uses to control blood pH involves the release of carbon dioxide from the lungs. What are the normal values of body temperature in oc, heart rate in beats per minute, blood pressure in mmHg, and breathing rate in breaths per minute? How many red blood cells does your body make in one minute? Which English doctor proved that heart pumps blood around the body?. It is also the primary fuel, or energy source, used by cells, such as brain cells, muscle cells, and cells in other. Out of this* 50% (2500ml) is located in the systemic venous compartment. Consists of DHA and EPA in merely the right amounts as required b our body. During pregnancy, the volume of blood in a woman's body increases by a whopping 50 percent in order to help support the uterus. How many pints of blood in the body: From the above discussion, we can calculate now the amount of blood in the pint unit in an adult human body. About 40% of the body's sodium is contained in bone, some is found within organs and cells and the remaining 55% is in blood plasma and other fluids outside cells. Negative feedback loops play an important role in how many of the systems of the human body stay in control. You can "donate" blood to a system that makes money through every step of the process. Just how far can the human body be pushed? When do the laws of physics step in and take precedence over those of biology? A healthy adult has between 3. Two measurements of white blood cells are commonly done in a CBC: the total number of white blood cells in a microliter (1x10 -6 liters) of blood, reported as an absolute number of "X" thousands of white blood cells, and. If you were to lose a Liter of blood, how long would it take your body to make that amount of blood back? Biology. Total body water. Females, on average, have less blood than males do, and the bodies of children tend to contain less than those of grown men or women. "In just a single day, the. 7 and 5 liters, although the more recent sources state the volume of blood in an average adult as 4. So they tell us the total volume of blood in the human body. Body: The Complete Human User Review - Not Available - Book Verdict. Somatics exercises are a system of pandiculations where you learn how to tune down the pain and stress responses by creating chemicals of relaxation. The reality TV star, 28, who is expecting her first child with her fiancé, Ryan Thomas, 35, has been discussing some of the more unusual side effects of pregnancy on Instagram. Total body water. In children, the definition varies with age and sex. 5 liters a day (about six cups) would burn an extra 17,400 calories over the course of the year—a weight loss of approximately five pounds! Learn more of The 55 Best Ways to Boost Your Metabolism. The length of a human pregnancy can vary naturally by as much as five weeks, according to research published online August 7 in the journal Human Reproduction. They can also facilitate physician-patient discussions. Blood is a constantly circulating fluid providing the body with nutrition, oxygen, and waste removal. “I like helping people and I wanted a way to do it,” said Downer, a health and human services major from Newburgh in her senior year at the. It transports all the substances such as blood cells, hormones, nutrients and excretory substances throughout the body. 2 liters (9 cups) of beverages everyday. This five-liter average is estimated for a standard adult male weighing 160 pounds. Still depends o. A low hemoglobin value usually indicates the person has anemia. 6 litres of blood. Blood carries oxygen to tissues in red blood cells. Bones serve three kinds of critically important functions in our body—mechanical functions, maintenance of mineral levels, and blood production. > Per the American Red Cross, the average adult has 10 pints of blood, depending on weight. Blood tests show whether the levels of different substances in your blood fall within a normal range. Armed with some basic facts about toxic substances, you can reduce your exposure to chemicals and lower the chance of harmful health effects. 5 gallons of blood in their body. solution with blood, through the complex system of arteries and capillaries that make up the human circulatory system where the drug can potentially interact with many different sites and tissues within the body before finally returning to the heart within the venous system. For blood to be able to clot is essential. The volume of blood in a person's body will vary according to their size and other factors, but the average. 7 and 5 liters, although the more recent sources state the volume of blood in an average adult as 4. Loss of two liters of blood would certainly cause death in a normal human The typical adult human has about five liters of blood in their circulatory system. Infections have the potential to cause illness, but in many cases the infected person does not get sick. Caffeine is recognized as an addictive substance by the World Health Organization (WHO). One unit of blood is roughly equivalent to one pint. Besides pumping that much blood, the heart also beats about 100,000 times each day to supply every cell with oxygenated blood. Human pregnancy lasts approximately 40 weeks from the time of the last menstrual cycle to childbirth (38 weeks from fertilization). For example, men tend to have more blood than women of comparable size and weight. During pregnancy, the mother passes antibodies to her fetus through the placenta. Drug Monographs. In comparison, a newborn baby has only 300 to 400 millilitres of blood and a pregnant woman 6. 1350 BCE One of the earliest written records of a urine-based pregnancy test can be found in an ancient Egyptian document. Platelets help blood to clot when you have a cut or wound. You can make a more informed decision about whether or not to drink. Your blood flow has increased to accomplish the job of feeding your baby. When blood can't flow freely to your heart, you can have chest pain (angina), irregular heart rhythms (arrhythmias) or a heart attack. It's the kidneys that process much of the water you take in, but there are many ways the body sheds water, according to the Mayo Clinic. 5 liters of liquid leave the body as urine. So those are some of the major body system changes that happen in mom's body during pregnancy. Adult bodies contain about 5 liters (5. Most sources state the volume of blood in an average human adult, who is between 68. The amount of 'how many pints of blood in the human body' also has a significant effect on the immunity of your body because as the blood volume increases, the plasma volume increases. Pregnancy officially starts when a fertilized egg implants in the lining of the uterus. 6 fluid ounces or 14 grams of pure alcohol (also known as an alcoholic drink-equivalent). The heart pumps blood through the arteries, capillaries and veins to provide oxygen and nutrients to every cell of the body. There is no real separation between the areas of your pelvis and abdomen. How do I find out if I have gonorrhea? Many people with gonorrhea don’t know it and have no symptoms. 3 kg, may have extra 1. During pregnancy, the mother passes antibodies to her fetus through the placenta. We offer the guidance and encouragement. On an average how many litres of blood a human body have ? Top Answer. Water is the main ingredient in the human body. It then passes from the cells into the blood. A qualitative hCG test simply checks to see if hCG is present, and a quantitative hCG test (beta hCG) measures the exact amount of hCG in your blood. 2 (average) pints of blood children under the age of 13 may have around 8 or lower. Search site Search. Cirrhosis or necrosis: Liver tissue death. There are many different factors that affect blood volume from person to person. There are 106 bones in the hands and feet alone. The average adult human carries roughly five liters of blood. A woman can have a heavier period and lose a lot more blood. On January 12, 2007, a 28-year old Californian wife and mother of three children died from drinking too much water. 5 grams of hemoglobin per deciliter (135 grams per liter) of blood for men and less than 12 grams per deciliter (120 grams per liter) for women. How does the loss of 2 liters of blood affect the human body? Similar questions: loss liters blood affect human body. smoking causes a lack of oxygen in the blood and makes the heart work harder. This results in a high blood sugar level, which can cause problems in many parts of your body. People who are athletic, older, or pregnant may need to drink extra water. Water forms the basis of blood, digestive juices, urine and perspiration, and is contained in lean muscle, fat and bones. 7-3 litres is plasma. Various tissues organized together for a common purpose are called organs (e. If you always wake up at three or four a. There is no substitute for human Blood. Find out how much blood you lose in common. Your body goes through many changes during pregnancy -- many that you can see and feel and many that you cannot. 006012 to get the height function. (See How Nuclear Medicine Works. The average human body has 5. How many sperm does it take to get pregnant? make it into the female's body, the uterus are greeted by white blood cells that see the sperm as invaders and. 001 Liter You may also use this volume units conversion calculator tool to convert between liters, milliliters and all other volume units. Many are well known, but some bodily changes may be unexpected and catch some women by surprise. It is large and powerful because it has the job of keeping the trunk of the body in an erect posture. The amount of blood in the human body depends on size (body mass is more important than height). Pregnant women's blood volume increases 50% by her 30th week. The average human body contains about five (5) liters of blood. A person of about 70 kilogrammes has a blood volume of 5 to 6 litres. Adults: The average adult weighing 150 to 180 pounds should have about 1. 75 to 3 liters of blood is plasma and the rest is the cell component. Smoking can cause ectopic. This information is important for determining whether effects on the human brain are possible below the range currently considered safe for humans. This is about 0. 1 day ago · Bolivia’s political crisis turned deadly after security forces opened fire on supporters of Evo Morales in a central town, killing at least five people, injuring dozens and threatening the. In adults, this amounts to 4. Blood volume changes in normal pregnancy. Roughly 1 pint is given during a donation. Total body water. The average amount of blood in your body is an estimate because it can also depend on your sex, how much you weigh and even where you live. About 17 liter of this blood plasma is reabsorbed directly into the blood vessels, while the remaining 3 liter is returned to the circulatory system with the help of lymphatic system. The first notable sign is darkened and enlarged nipples, as your cat's body prepares to make milk for its young. save hide report. How much blood does the body have? The amount varies according to height and weight, but about seven percent of a person's bodyweight is composed of blood. Bone marrow, the spongy material inside your bones, makes new blood cells. In the picture here, you can see that the vagina is behind the bladder (sac that collects urine) and urethra (tube for moving urine out of bladder and body). Body fat scales and body composition monitors can help you monitor your fat loss. It’s true we can do amazing things — heal where we once were bleeding, attack and destroy unfriendly microbial invaders, even knit our own bones back together. Glucose is one of the primary molecules which serve as energy sources for plants and animals. Foods such as spinach, beetroot, fenugreek, dry fruits, chicken and fish provide the iron that is essential for healthy blood supply. Human body contains about 6 litres of blood. Blood is mostly liquid, with numerous cells and proteins suspended in it, making blood. Approximately, how many liters of blood does the average human body contain? Blood: Blood travels through the circulatory system in the human body. For reference, when a person donates blood, about eight to 10 percent of the body’s blood is removed. The horse serum is used for biological research and diagnostic manufacturing, while the PMSG is an ingredient for several veterinary drugs. Every cell in the body must be close to a blood vessel (within about 100 microns) in order to receive oxygen and nutrients. Imagine, DECADES of watching vampire movies, etc. Hobbies such as drawing, body building and weight-lifting provide such types of people happiness than a girlfriend would,” concludes Isaac. Magnesium is a naturally occurring mineral and is essential for proper functioning of the human body. In an 80 kg adult this would be about 2. White blood cells (WBC) fight infection and are part of your immune system. In pregnancy: Blood.