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An average, healthy adult heart pumps about TWO gallons of blood every 60 seconds.
The average adult has 1 metric gallon of blood.
the normal blood pressure in a young adult is 120/80
Giving away 2 gallons would kill you. Usually just under a pint (about 470mls) of blood would be taken.
10 pints. Or 1.25-1.3 gallons. If your an adult human.
The adult human body has approximately 5 liters (about 1.3 gallons) of blood.
60-100mmHg for a healthy adult.
An elephant can circulate it's 100 gallons of blood through it's ears every 20 minutes.
Blood accounts for about 8% of the human body weight. The average adult has a blood volume of about 5 liters (1.3 gallons).
approximately 6 quarts (or 5.6 liters) or one and a half gallons (US)
For a normal, healthy adult the normal blood pressure is 120/80
pelvic bones