Which statement is false?
a.) warm-up sessions should be from 15 to 30 minutes long.
b.) the purpose of warming up is to prepare the body for increased stress of exercise.
c.) a good warm up gradually raises the heart rate.
d.) the muscle temperature increases.

delegated (sometimes called enumerated or expressed) powers are specifically granted to the federal government in article i, section 8 of the constitution. this includes the power to coin money, to regulate commerce, to declare war, to raise and maintain armed forces, and to establish a post office.