- A Anaerobic
- B Aerobic
- C Mastication
- D None of the above
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Answer:
A
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Anaerobic respiration is a type of respiration that occurs in the absence of oxygen. During anaerobic respiration, glucose is broken down without oxygen, and lactic acid is produced instead of water and carbon dioxide. This process is used by some organisms to produce energy, but it is not as efficient as aerobic respiration. Anaerobic respiration is also used by humans during intense exercise when the body cannot supply enough oxygen to the muscles.
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