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.
Report Abuse. The human body has about 6 liters of blood. Some people have as few as 5, some have as much as 7, and some people may even fall outside that range. But the average is about six. Children have an average of 1.5 liters of blood, and infants have about 300 mililiters of blood. As for how much bloodloss is needed to kill a person, well.... that's rough. Some people's bodies are better at compensating than others.