BI-1049
Aerobic respiration
Biology · Secondary 3 · Medium · Aerobic respiration
During vigorous exercise, a student’s breathing rate increases. Which statement best explains how this helps maintain a high rate of aerobic respiration in muscle cells?
- It removes lactic acid directly from the muscles.
- It supplies more oxygen to the blood for delivery to muscles.
- It increases the body temperature so enzymes work slower.
- It causes muscles to contract less often, saving energy.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.