There is on average 10 pints of blood in the average adult human. It never hurts to donate blood either and many are in desperate need! Donating a pint of blood may save 3 lives.
Blood makes up 7% of the weight of the body in humans. See: http://en.wikipedia.org/wiki/Blood
Blood plasma makes up about 20-25% of the extracellular fluid in the body. The other main component of extracellular fluid is interstitial fluid, which makes up the remaining 75-80%.
plasma makes up 55% of your blood in your body
The average adult has 10 pints of blood in his or her body. One unit of blood is roughly the equivalent of one pint. Blood makes up about 7% of your body's weight. This proportion is much greater in children and slightly less in women.
Blood makes up approximately 7-8 of a person's total body weight.
Blood makes up approximately 7-8 of a person's total body weight.
Plasma is the pale yellow, sticky liquid portion of your blood that suspends blood cells and many other substances. It makes up 55 percent of the blood's volume.
Your body is mostly made up of water.
Plasma makes up about 55% of total blood volume in the body.
You have more water than blood in your body because your blood is mainly made up of water. 90% of your body is water
The human body is made up of about 60 water.
The average adult has 10 pints of blood in his or her body. One unit of blood is roughly the equivalent of one pint. Blood makes up about 7% of your body's weight.This is taken directly from another wiki.answer question