When a person trains for running long distances, which of the following organelles increase in number in his/her muscles?
A) Rough endoplasmic reticulum
B) Enzymes for glycolysis
C) Basal bodies
D) Lysosomes
E) Mitochondria

Question

Quizplus · Accepted Answer

Mitochondria increase in number to meet the higher energy demands of the muscle cells during long-distance running. This process, known as mitochondrial biogenesis, enhances the muscles' ability to produce ATP through aerobic respiration, supporting sustained endurance activities.

When a Person Trains for Running Long Distances, Which of the Following