What anaerobic pathway will supply human muscles with energy during prolonged, intense exercise?

Responses

Alcoholic fermentation
Alcoholic fermentation

Citric acid cycle
Citric acid cycle

Lactic acid fermentation
Lactic acid fermentation

Electron transport chain

1 answer

During prolonged, intense exercise, human muscles primarily rely on lactic acid fermentation to supply energy. This anaerobic pathway allows for the rapid production of ATP when oxygen levels are low, such as during intense physical activity. While the citric acid cycle and electron transport chain are involved in aerobic respiration, they require oxygen and are not efficient during intense exercise when oxygen is limited. Alcoholic fermentation is not a pathway utilized by human muscle cells.