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Blood

Blood is a bodily fluid consisting of plasma, blood cells, and platelets that is circulated by the heart through the vertebrate vascular system, carrying oxygen and nutrients to and waste materials away from all body tissues. In many species, it also carries hormones and disease-fighting substances. In this category, you will find questions about the blood in your body, including blood types, blood diseases, and the function of blood.

9,936 Questions

How often do cells change?

Cells in the human body are constantly changing through processes such as cell division, growth, and repair. The rate of cell turnover varies depending on the tissue type and age, with some cells turning over rapidly (like skin cells) and others more slowly (like neurons). Overall, the turnover of cells helps to maintain the health and function of our tissues and organs.

Do bacteria have blood?

no it does not, only living organisms that are vetebrates have blood

What substances makes up the steps of a DNA ladder?

The steps of a DNA ladder are made up of alternating sugar (deoxyribose) and phosphate molecules. The side railing of the ladder is composed of nitrogenous bases (adenine, thymine, cytosine, and guanine) that connect the two strands of the DNA molecule.

What type blood cells increase in allergic reactions and in pin worm infestation?

Eosinophils are the type of blood cells that increase in both allergic reactions and pinworm infestations. Eosinophils are involved in the body's response to allergies and parasitic infections, including those caused by pinworms. An increase in eosinophils in the blood can be a sign of these conditions.

What is the chemical symbol for blood?

The chemical symbol for blood is not a single element, as blood is a complex mixture of cells, proteins, and other molecules. However, the main component of blood is water, which has the chemical symbol H2O.

What is anemia is characterized by an inadequate number of circulating red blood cells?

Anemia is a condition characterized by a lack of healthy red blood cells or hemoglobin in the blood. This can result in symptoms such as fatigue, weakness, pale skin, and shortness of breath. Anemia can be caused by various factors including iron deficiency, vitamin B12 deficiency, chronic diseases, or inherited conditions.

Why do you faint on a very hot day?

Your body gets to hot. If you don't drink ALOT of water, your body runs out of water VERY fast, if you don't drink water.

Answer:

During extreme heat the human brain that co-ordinates body temperature gets signals from the body to cool & supplies fluids through blood supply that drains out from the brain to dehydrating organ cells & tissues in the extreme heat.This is the reason for fainting. If the brain is kept at cooler temperature than the body then a person does not faint.

Which of the vitamins primarily functions in the cell regeneration and the synthesis of red blood cells?

Vitamin B12 primarily functions in cell regeneration and the synthesis of red blood cells. It plays a crucial role in DNA production, which is essential for new cell formation, and also helps in the production of red blood cells in the bone marrow. Deficiency in vitamin B12 can lead to anemia and impaired cell regeneration.

How do you improve red blood cells?

get more bone and marrow.

about bone and marrow

Bone Marrow when it is healthy

Bone Marrow's color, when it is healthy it looks like pinkish-red. It is filled with many cells that are healthy and productive. When it is seen under a microscope it looks like big dots that are pink and small dots that are red and the gaps between them looks like pinkish-red.

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Bone Marrow when it is not healthy

When Bone Marrow is not healthy it looks like pink spaces and around it have light green with black dots. It is called "Aplastic" or "empty" marrow. Instead of having it with cells that are healthy and productive, it has fatty filled cells.

Now you might be wondering then what do you do? Read the extras and find out.

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What is Bone Marrow for

It is to keep you alive by producing blood and sending them to the heart to pump the blood. It is also to replace old red/white cells.

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EXTRAS

The doctors will have two patients instead of one. The reason that they have two patients is because the other patient give you Bone Marrow. Also you two have the same blood type. Ex: you have blood "A" the means the other person needs blood "A" or blood "C". (Blood "C" is usable for everyone.) The doctors place a tube into your Bone Marrow and the other person and he/she will give you some Bone Marrow. Your body automatically rejects/takes the Bone Marrow. You can not see it reject/take the Bone Marrow with a blind eye. You need a telescope to see it reject/take the Bone Marrow.

Now you might be wondering what happens if you can't make it to the doctor's or you don't have a patient that matches? Then read More Extras.

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More Extras

What happens if you can't make it to the doctor's or you don't have a match? Well, most likely when the ambulance comes they will give you plasma. Like I said in the "EXTRAS" plasma is like blood "C". The only difference between plasma and blood "C" is that you can't survive for a long time with only plasma. So you will need a match.

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Donating Bone Marrow

When you donate Bone Marrow you need to use your REAL name or you might do it too many times. (about, I think, 2 times a YEAR) You will give them a blood sample to figure out your blood type. You will be called when a person need you and you have the right blood type.

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Best person to get Bone Marrow

The best person to get Bone Marrow from is you brothers/sisters. NOT your parents because your brother/sister already has the DNA,genes,etc. from your parents just like you.

lol lol lol lol lol lol lol lol lol lol lol lol lolhttp://wiki.answers.com/Q/What_makes_blood&action=edit Discuss:What_makes_blood

What type of blood cells fight colds?

White blood cells, particularly neutrophils and lymphocytes, play a key role in fighting off colds. Neutrophils are the first responders to infection, while lymphocytes, including T cells and B cells, help produce antibodies that target and neutralize the virus causing the cold.

How many red blood cells found in a 40X?

In a 40X magnification, you may be able to see around 10-15 red blood cells in a small field of view under a light microscope. The exact number can vary depending on the microscope and the specific sample being observed.

Can all white blood cells attack any kind of pathogen?

No, the white blood cells are divided into many types of specialized cells. The Macrophages, Granulocytes, Natural Killer cells and Dendritic (Lagerhans) cells are part of the immuno response system's first line of defense: Macrophages kill any type of pathogens they recognize as not welcome, while the Neutrophile Granulocytes are experts in bacteria killing. Dendritic cells alert the adaptive immuno response system such as T-cells. Cytotoxic T-cells then kill tissue cells infected by pathogens, and so does Natural Killer cells (but does not touch the pathogens themselves). They do not have to be activated first, but are able to find infected/sick cells by themselves, which makes them effective cancer-killers. Also, by killing infected cells they prevent growth and proliferation of more pathogens in the body. Regulatory-T-cells (suppressor cells) and T-Helper cells does not kill pathogens themselves but regulate the rest of the white blood cells.

Does iron produce red blood cells?

Iron is a key component in the production of red blood cells because it is necessary for the formation of hemoglobin, the protein that carries oxygen in the blood. Without adequate iron, the body cannot produce enough hemoglobin, leading to a condition called iron deficiency anemia.

What is transported in the plasma?

Ions: sodium, chlorine, pottasiu, calcium; buffers and osmoregulators; also hormones are transported in the blood plasma.

How do white blood cells help prevent disease?

White blood cells are key components of the immune system and help prevent disease by recognizing and attacking harmful pathogens such as bacteria, viruses, and fungi. They destroy these invaders through phagocytosis, releasing toxic chemicals, or producing antibodies. White blood cells also help coordinate the overall immune response to ensure a rapid and effective defense against infections.

Do different races have different blood cells?

Not in the slightest. Even really miniscule differences in DNA can be dis-counted as RBC's contain no DNA. The Principle difference in races lies in the genetically controlled amount of the skin pigment melanin.

Compare side by side the skeletons of a gorilla and a person.

How does the law of continuity relate to the velocity of blood flow?

If a pipe's diameter changes over its length, a fluid flows through narrower segments of the pipe faster than it flows through the wider segments. Since the volume of flow per second must be constant through the entire pipe, the fluid must flow faster as the cross-sectional area of the pipe narrows (think of the velocity of water squirted by a hose with and without a nozzle).

Based on the law of continuity, you might think that blood should travel faster through capillaries than through arteries, because the diameter of capillaries is very small. However, it is the total cross-sectional area of the capillaries that determines flow rate. Each artery conveys blood to such and enormous number of capillaries that the total cross-sectional area is much greater in capillary beds than in any other part of the circulatory system.

For this reason, the blood slows substantially as it enters the arterioles from arteries, and slows further in the capillary beds. As blood leaves the capillaries and enters the venules and veins, it speeds up again as a result of the reduction in total cross-sectional area.

What white blood cells help protect the body from parasites?

Parasites are microbes that can't live without getting nutrients form other living cells. There are White blood cells and anti-bodies. Many people have parasites from their pets and dogs and don't even know it. Usually if it bothers you, you will go on anti-bio tics. If your worried I would search it up more on the internet.

Does the red blood cell have a membrane?

Yes.The red blood cell membrane is composed of threelayers:the glycocalyx in the exterior which is rich in carbohydrates;the lipid bilayer which contains many trans membrane proteins ,besides its lipidic main constituents and the membrane skeleton, a structural network of proteins located on the inner surface of the lipid bilayer.

In human erythrocytes, like most other mammal erythrocytes,half of the membrane mass is represented by proteins and other half are lipids,namely phospholipids and cholesterol.

Can the parents with the blood type A and B have a child with O blood type?

No. They can not . Blood group antigens are expressed co dominantly that is if a person has both A antigen and B antigen he will express both. There is no way B will suppress expression A antigen. For a person to have AB blood group one of his parents should have either A or AB and the other should have either B or AB. How ever there is a remote chance of having a mutation which can express both antigens. How ever it is a very very rare situation.

Where do lymphocytes mature so they can attack?

Lymphocytes mature in the primary lymphoid organs, which are the thymus for T cells and the bone marrow for B cells. Once they mature, they circulate in the bloodstream and lymphatic system to attack pathogens and foreign invaders.

Can an epidural cortisone shot increase your white blood cell count?

Yes, epidural cortisone shots can potentially cause a transient increase in white blood cell count, particularly neutrophils, as corticosteroids can affect the immune system and lead to a mild inflammatory response. This increase is usually temporary and should not cause significant concern unless it persists or is accompanied by other symptoms. It is important to discuss any changes in blood test results with your healthcare provider.

How does the ability of white blood cells to change its shape affect its function?

The ability of white blood cells to change shape allows them to easily squeeze through small gaps in blood vessel walls to reach sites of infection or injury. This helps them effectively migrate to the site of an infection or injury to carry out their immune response functions against pathogens.

What food group repairs red blood cells?

Foods rich in iron, vitamin B12, and folate help in repairing red blood cells. These nutrients are commonly found in animal products such as meat, fish, eggs, and dairy, as well as plant-based sources like leafy greens, legumes, and fortified cereals.

What type of white blood cells plays a major role in immunity to infectious diseases?

Lymphocytes, specifically T cells and B cells, play a major role in immunity to infectious diseases. T cells help kill infected cells and regulate the immune response, while B cells produce antibodies that can neutralize pathogens.