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Yes, there is not an infinite supply of blood in your body. It's just the same blood being recycled by your heart. When your blood goes around your body, it's deprived of oxygen, so your heart kind of "freshens" the blood cells when they return to the heart. That's why people sometimes die from loss of blood.

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15y ago

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What kinds of illnesses could be effective treated with a bone marrow transplant?

Illnesses where the body has trouble making new blood cells


How long do red blood cells stay in the body?

According to a healthy lifestyle book that I just read recently, it is in theory (not proven yet) that they last for approximentally 4 months. Your body is always making new blood cells, so there is no need to worry if you have a healthy & active lifestyle.


How long do red blood cells stay in body?

According to a healthy lifestyle book that I just read recently, it is in theory (not proven yet) that they last for approximentally 4 months. Your body is always making new blood cells, so there is no need to worry if you have a healthy & active lifestyle.


What kind of disorder is treated with a bone marrow transplant?

Illnesses where the body has trouble making new blood cells


Is your body always making new cells?

Yes you body is always making new cells by methods of mitosis or meiosis. The dividing of cells. Each cell (excluding cancer and stem cells) have a hayflick limit which states the amount of times that the cell can divide (: Hope i helped


What kind of illnesses could be effectively treated with a bone marrow?

Illnesses where the body has touble making new blood cells


What kind of illness could be effectively treated with bone marrow transplant?

Illnesses where the body has touble making new blood cells


Does our body make new blood i.e. if you were to donate blood would your body be able to top-up the blood lost?

Yes Your body regenerates new blood cells very quickly, yet some quickly die. If the body did not regenerate new blood cells you would run out of blood, and then yourself die.


Do arteries always carry O2- rich blood and explain?

For the most part. Arteries are better described as saying they always carry blood away from the heart. Every artery in the human body carries oxygenated blood, except the pulmonary artery. The pulmonary artery carries blood from the heart to the lungs in order to "pick up" a new supply of O2 which it then carries back to the heart and to the rest of the body.


Is their any blood in new moon?

yes, there is always blood in vampire movies, most of them are based around blood.


What is a reason to have to get blood when you are not losing any out of your body?

Because blood cells don't last forever. Even if you haven't got any injuries thay still get used up "internally", and if your body aren't making new ones well enough you can still need a transfusion.


What do reds blood cells do?

Red blood cells carry oxygen throughout the circulatory system, which allows the tissue cells to produce energy through aerobic respiration. The red blood cells pick up oxygen in the lungs and carry it through the arteries in the body to the tissues. When they reach the smallest vessels, capillaries, oxygen is easily dropped off and the cells make their way back to the heart and then into the lungs. They will continue this cycle for about 100-120 days. Because the body is always making new blood, it is safe, under most circumstances, to donate blood.