What type of respiration takes place in human muscles?
- What type of respiration takes place in human muscles?
Anaerobic respiration
- What are three main sources of ATP available for human muscle cells?
Humans have three main sources of ATP: ATP already in muscles, ATP made by lactic acid fermentation, and ATP produced by cellular respiration. At the beginning of a race, the body uses all three ATP sources, but stored ATP and lactic acid fermentation can supply energy only for a limited time.