Does aliens have anaerobic respiration ?

Anaerobic respiration occurs most often in humans during vigorous exercise. When muscle cells use up their oxygen, they have to switch to an anaerobic pathway to process energy. According to Dr. Paul Decelle’s online biology course, anaerobic respiration in humans occurs most often in fast-twitch muscle cells, which have a lower capacity for storing oxygen than slow-twitch muscles. read more

Anaerobic respiration Anaerobic respiration is a type of respiration that does not use oxygen. It is used when there is not enough oxygen for aerobic respiration. read more