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 much Blood does the Heart Pump. By kamal on November 22, 2010 Health Questions. On an average, human heart pumps about 2.4 ounces (70 milliliters) of blood per cardiac beat (heart beat). On a normal basis, if the heart beats 72 beats per minute, our heart pumps about 1.3 gallons (5 liters) of blood per minute.This adds up to about (1.3 gallons X 60 mins X 24 hours=1872) 1,900 gallons appx. (7,200 liters) of blood, which is pumped by our heart per day.ow much Blood does the Heart Pump. By kamal on November 22, 2010 Health Questions. On an average, human heart pumps about 2.4 ounces (70 milliliters) of blood per cardiac beat (heart beat). On a normal basis, if the heart beats 72 beats per minute, our heart pumps about 1.3 gallons (5 liters) of blood per minute.