When an individual exercises vigorously for more than 15 minutes, the muscle cells are unable to obtain oxygen from the blood at a sufficient rate. As a result, the muscle cells —
get their energy from alcoholic fermentation instead.
use light-activated photosynthesis as an external source of energy.
stop functioning, resulting in cramps.
activate anaerobic respiration, producing lactic acid build-up.
1 answer
activate anaerobic respiration, producing lactic acid build-up.