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Sagot :
As mara adapts to the higher altitude, decreased Po2 in the alveoli can be seen.
The oxygen partial pressure drops in three stages before reaching arterial blood from 21 kPa (21%) in the atmosphere. First, the upper respiratory tract humidifies the inspired air, lowering the Po2 to approximately 19.7 kPa (148 mmHg) thanks to the saturated vapor pressure of water (6.2 kPa, or 47 mmHg)Po2 in the alveoli decreases.
other factors like:
- Hematocrit increases
- In an effort to provide more oxygen to the blood, pressure in the pulmonary arteries rises. As a result, elevation-related increases in blood pressure are common.
- The rate of alveolar ventilation also goes up.
Know more about partial pressure here: https://brainly.com/question/2828367
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