well a blood cell is only one cell and all of them usually live in the blood stream unless you get cut or get a blood blister or you get internal injuries.
I think red blood cells live about 21 days.
No, blood cells live the same lifespan no matter how old the human is.
Red Blood cells carry oxygen to your cells while white blood cells only fight off bacteria. Theres more red blood cells becase we need more of them to live.
When blood passes through the lungs, oxygen from the alveoli diffuse into the capillaries and is taken up by red blood cells. There it binds to hemoglobin. The red blood cells will travel through the arteries to the tissues where the oxygen will disassociate itself from the hemoglobin and diffuse into the tissues (cells).
Red blood cells live about 120 days. When they get old their membrane started to show wear and they get removed from the blood circulation.
red blood cells and white blood cells the red blood cells keep us a live and the white blood cells fight off disease and infection. To complete the answer, the red cells carry oxygen from the lungs to the tissue, etc., cells that need it.
Red blood cells then go to the liver, spleen, and bone marrow.
Red blood cells carry oxygen from the lungs to all the organs so they can live.
Blood cells are born in the bone marrow and are delivered into the bloodstream to begin work. Blood cells only live a limited time in the blood. Old blood cells are destroyed by a type of cell called a macrophage. Macrophages are the trash collectors of the body and are, in fact, blood cells themselves.
red blood cells carry oxygen that is inhaled by the lungs to the rest of the body. white blood cells help fight infections
Red blood cells and many white blood cells are made in bone marrow. (Some types of White blood cells are made in the spleen, live and lymph glands.)
white blood cells