Question

1- muscle cells in athletes often have more mitochondria than muscle cells in non - athletes. based on this observation, it can be inferred that the muscle cells in athletes need more

a) energy

b) co2

Explanation:

Mitochondria are the power - houses of the cell, responsible for producing energy in the form of ATP through cellular respiration. Athletes' muscle cells have more mitochondria as they need more energy for their intense physical activities.

Answer:

A. energy