Muscle Samples Are Taken from Two Groups of Men

Multiple Choice

Muscle samples are taken from two groups of men. One group performs regular intense aerobic exercise. The second group is sedentary and does not exercise. When you compare their muscle samples at the microscopic level, you expect to find that the exercising men show increases in

A) Golgi apparatus.
B) capillary density.
C) smooth endoplasmic reticulum.
D) mitochondria.
E) mitochondria and capillary density.