Biology · Human Physiology & Respiration
Which statement best describes 'Oxygen Debt' incurred during intense physical exercise?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Oxygen stored in lungs and myoglobin (~2 L) used during exercise
- 2Extra ~11.5 L oxygen required post-exercise to restore phosphagen and glycogen-lactate stores✓
- 350% reserve lung capacity used at high altitude
- 49 L oxygen required only to maintain aerobic metabolism
Correct answer
Extra ~11.5 L oxygen required post-exercise to restore phosphagen and glycogen-lactate stores
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