When is the best time to stretch during an exercise routine?
a. after the warm up
b. before the warm up
c. before each water break
d. after each water break

Compare contrast to curl up and arm hang tags and explain why different test cannot be used interchangeably

List three reasons people may begin using tobacco

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells