Enumerated powers. The enumerated powers are a list of items found in Article I, Section 8 of the U.S. Constitution that set forth the authority of Congress. In summary, Congress may exercise the powers that the Constitution grants it, subject to the individual rights listed in the Bill of Rights.
The average adult has 10-12 pints of blood. Someone needs blood every two seconds in the U.S. 40,000 pints: Amount of donated blood used each day in the U.S. and Canada. Through a process of separating blood into its individual parts, a single unit of blood can help extend the lives of as many as three people.
How Many Gallons of Blood are in the Human Body? An average adult human with 160 pounds (72 kilograms) has 1.3 US Gallons of blood in the body. How Many Pints of Blood in the Human Body? An average adult human with 160 pounds has 10.5 Pints of blood in the body. How Much Blood Does an Average Child Have? An average child with a weight of 80 pounds has 2.5 liters of blood (like half of blood from adult human) in the body. How Much Blood Does a Pregnant Woman Have? A woman with a normal-sized fetus with an approximately birth weight of 3.3 kg, may have extra 1.25 liters of blood than non-pregnant woman due to the increase in plasma volume.