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.
The next level of blood loss occurs with the Class 3 hemorrhage, which references loss of 30 to 40 percent of total blood volume. This could be around 3 to 4 pints of blood, for those keeping track.Blood transfusion is usually necessary with a hemorrhage of this magnitude, according to Alton.or reference, when a person donates blood, about eight to 10 percent of the bodyâs blood is removed. There are generally no symptoms of blood loss at this point, though some may feel slightly faint.