Which of the following statements is true?

Question

Quizplus · Accepted Answer

As people age, their metabolism naturally slows down. This is because as people age, they lose muscle mass and gain fat. Muscle cells require more energy to function than fat cells, so when there is less muscle, the metabolism slows down. Therefore, statement C is true.

A is incorrect because muscle cells require more energy to function than fat cells. 
B is incorrect because in general, men have higher metabolic rates due to having more muscle mass. 
D is incorrect because muscle cells cannot turn into fat cells.

Which of the Following Statements Is True