BI-1100
Anaerobic respiration
Biology · Secondary 3 · Medium · Anaerobic respiration
During a 2-minute sprint, a student’s muscles respire anaerobically and produce lactic acid. Which statement explains why lactic acid builds up in the muscles?
- Glucose is not broken down at all in the muscles.
- Glucose is broken down without oxygen, forming lactic acid.
- Lactic acid diffuses into the muscles from the blood.
- Oxygen reacts with lactic acid to form more of it.
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