High Hematocrit means that the person is unhealthy and suffering from any one of a number of medical conditions.
It also means that the blood is more viscous than is required and can cause damage to the heart.
only if you are of the same blood type otherwise no you cant
The global answer is no, you can't donate blood for at least 6 months, in some places you cant donate for up to a year post piercing.
white blood cells. red blood cells dont have nuclei so they cant do much
the person will die
No, this patient can't donate blood, even if he is cured he/she can't donate blood until a period of 12 month from hiss last day of jaundice. This is because Liver in Jaundice patients is not working in anormal way, and the blood in those patients is poison with bilirubin, that's why they can't donate.
Pump blood
because it produces red blood cells since red blood cells cant reproduce themselves because they lack a nucleus
you cant
Then the cells normally supplied with oxygenated blood via the arterioles begin to die.
you cant sorry
A person with leukemia may have low red blood cells due to bone marrow being replaced by cancer cells, hindering normal red blood cell production. Low white blood cells and platelets may occur due to leukemia cells crowding out normal blood cell production in the bone marrow, leading to decreased production of white blood cells and platelets.
O blood has no major proteins that A and B blood have. For example: If someone had B blood with its specific proteins, this person cant receive A blood because it has the specific A blood proteins that will cause bad clotting to stop it. O blood (with no different proteins) wont affect any blood.