Which is not a benefit of participating in regular physical activity?
a.) stronger heart muscle
b.) more red blood cells
c.) increase in breathing rate at rest
d.) lower blood pressure

Every person’s body is different, a. but every vehicle’s cabin layout is the same b. and every vehicle’s cabin layout is different c. making some people automatically safe drivers d. making some people better fit to drive a sedan than a coupe

Scientists who study the anatomy of the systems in the human body focus their studies on

The real advantage to hydrostatic weighing is that it a. can be done anywhere with no equipment b. gives one of the most accurate measurements of body fat c. uses calipers to measure body fat select the best answer from the choices provided.