The healthy fitness zones (hfzs) for teenagers include which components of health-related fitness?
(choose all that apply.)
a. cardiorespiratory endurance
b. muscular endurance
c. muscular strength
d. intensity
e. flexibility

How is health different for most people in this country today from what it was for people born in 1900? a. people have a shorter life span. b. people today work harder to survive. c. people today live in poorer sanitary conditions. d. people today can focus less on day-to-day survival and more quality of life.

Which of the following is not considered a lymph node function? to house immune cells to transport lymph to filter blood to fight infection

Mason joined the water polo team at his school. as part of his conditioning, mason's coach requires a 25-minute run during practice. mason's heart rate reaches 125 beats per minute, but his target heart rate zone is 138—183 beats per minute. what should mason do to get the most benefit for his heart? increase the amount of time he runs increase the speed at which he runs decrease the amount of time he runs decrease the speed at which he runs