Which of the following would not be found in the peripheral nervous system (PNS)? A. efferent nerves
B. afferent nerves
C. cerebellum
D. somatic nervous system

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.

frequency is the answer