blood donation
Your kidneys filer your blood of nitrogenous wastes. These wastes are then moved to the bladder in the form of urine and expelled.
It is necessary for blood to pump through your body because it keeps you alive. It sends the blood to your organs and keeps them from failing.
Yes. Homeostasis keeps every thing in balance: you blood glucose level, your blood pressure, your body body temperature and more.
Your blood. :)
NO THE KIDNEYS CLEAN OUT THE BLOOD AND THE PANCREAS HELP PRODUCE INSULIN FOR THE BODY TO CREATE SUGARS AND KEEP A NORMAL BLOOD SUGAR
The heart.
blood draining and refill with clean blood. blood draining and refill with clean blood.
digests fat, and maintains the correct level of blood sugar in the body
There is no requirement that they ever do it. The body keeps itself clean.
because it is good hygiene for your body and it keeps you clean and healthy
it keeps blood flowing
Blood travels to every part of the body.