During operations in traffic areas, lane and street closures should be performed according to ______.

NCAA data on the probability of playing sports beyond high school show that

A. less than one-half of one percent of high school athletes play pro sports. B. the chances of playing pro sports are highest for male basketball players. C. the goal of playing pro sports is realistic for those who want it bad enough. D. women have a greater chance of playing pro sports than men do.

The skin plays a role in regulating body temperature by ________.

A. producing vitamin D B. dilating or constricting blood vessels in the skin C. stimulating the hypothalamus D. eliminating wastes E. retaining fluids