Minute how does the body increase the amount of oxygen to the muscles during exercise?
a. by exercising longer
b. by breathing faster
c. by relaxing
d. by breathing through your nose

Which plan groups foods according to types and indicates how much of each type should be eaten daily for a healthy diet? a.mypyramid plan b.food guide pyramid plan c.dietary guidelines for americans d.dietary pyramid guidelines

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

In weight training, "listen to your body" means to stop lifting if you feel bored or unmotivated. select the best answer from the choices provided. t f