If the muscles of a weightlifter and a marathon runner were compared, the marathon runner would have
A) more mitochondria in each muscle cell.
B) larger muscle cells.
C) more muscle cells.
D) both A and C.

Question

Quizplus · Accepted Answer

Marathon runners have more mitochondria in their muscle cells to support aerobic respiration, which is crucial for endurance activities like long-distance running. This adaptation allows for efficient energy production over extended periods.

If the Muscles of a Weightlifter and a Marathon Runner