Biology · Environmental Physiology
Endurance performance at high altitudes over 3000 m is severely affected primarily due to the:
- 1decrease of percentage of oxygen in the air at high altitude
- 2decrease of partial pressure of oxygen with increase of altitude✓
- 3increase of barometric pressure with increase of altitude
- 4decrease of pulmonary ventilation
Correct answer
decrease of partial pressure of oxygen with increase of altitude
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