Your blood transports Oxygen and nutrients around the body and removes waste gases. White blood cells help fight infection and Platelets help with clotting amongst other things. Your organs would fail and you would die.
6 hours i believe is the standard before having blood work. I've sometimes cheated with an apple juice, but in general you should drink only water, and dont over hydrate! this could thin the blood just enough to disrupt testing.
no fire
There are many ways. Here are a few: First, obviously, you can not breathe and there would be no air in your lungs. Carbon Monoxide, a deadly gas, can bind to the blood where oxygen is supposed to blind. If you have sickle cell anemia, the hemoglobin in your blood is strangely shaped and therefore oxygen cannot easily bind to it.
what happens to things that sit in water for a long time?
Increases blood flow to the site
your blood cells will be weak and you will be sick.
anemia
it is when you dont have enough blood.
you get rabies
You yawn.
You die
you dont drink your blood so you dont find out! =O
you will feel cold and you wont have enough energy
you die.
Blood pressure.
they begin to die, for example if you dont get enough air what will happen to you?
it will die