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.
That's why blood donors are needed every day. You may be eligible to give blood every 56 days if you are a healthy person age 17 or older (or 16 with parent's/guardian's consent), weighing 110 pounds or more. Parental Consent Form NOTE: Be sure to print and bring both pages.hat's why blood donors are needed every day. You may be eligible to give blood every 56 days if you are a healthy person age 17 or older (or 16 with parent's/guardian's consent), weighing 110 pounds or more. Parental Consent Form NOTE: Be sure to print and bring both pages.