BI-2225
Anaerobic respiration
Biology · Secondary 4 · Medium · Anaerobic respiration
A runner sprints 400 m and then stops, breathing heavily. His leg muscles carried out some anaerobic respiration.
Which substance built up in his muscles during the sprint?
Which substance built up in his muscles during the sprint?
- Carbon dioxide
- Lactic acid
- Alcohol
- Oxygen
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