Michelle needs to improve her overall muscular fitness. Which of the following
activities will best help her meet her goal?
O Deep breathing
O Climbing stairs
O Rowing
O Walking

Rowing

Explanation:

Rowing uses specific and constant motion of yiur arms, while as the other exercises are meant to strengthen legs and core

the more fit you are, the faster the recovery. your heart rate drops most sharply in the first minute after you stop exercising; it should then fall about 20 beats a minute—a drop of less than 12 beats a minute is considered abnormal. this “recovery heart rate” is measured as part of an exercise stress test.