I believe they stay there
Oxygen binds to hemoglobin in red blood cells to be transported throughout the body. Oxygen can stay in your blood for a few seconds to a few minutes before it is either utilized by cells for energy production or released back into the bloodstream to be carried away by the lungs for exhalation.
The organ which produces blood cells is the femur, your thigh bone. They ensure that the blood cells stay in good number for proper functioning of the body.
There are many types of cells. Blood cells, for example, transport your blood (oxygen and other things as well) through your body, so you stay alive.
72 hrs
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.
It doesn't leave. It is in your fat and hair cells.
for exactly 28 days because it stays in your blood cells and the blood cerculates throughout your body
because it can flow also blood in these blood vessels or the stay there if the cells need oxygen
The human body stays balanced by oxygen and nuteints to the blood cells
Why do you think that the blood cells stay in the blood vessels
Because is where it has to stay. To make the blood continue.