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.
Blood draws in infants and children should not exceed 10% of the total blood volume in any one-month period, unless medically necessary. The total blood volume can be estimated from the age and weight of the child. As a rough estimate, for pre-term babies, the amount of blood is about 90 ml per kilogram of body weight.For term newborns, it is about 80 ml per kg. For older babies, 1 to 12 months of age, estimate 75 ml per kg.lood draws in infants and children should not exceed 10% of the total blood volume in any one-month period, unless medically necessary. The total blood volume can be estimated from the age and weight of the child. As a rough estimate, for pre-term babies, the amount of blood is about 90 ml per kilogram of body weight.