Cancer occurs when cellular reproduction gets stuck in overdrive producing
too many cells.

Explanation:

This is correct, unnormal cells reproduce uncontrollably

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.

answer the questions honestly.