高山上的空气含氧量小于比低海拔地区，所以呼吸时心脏会跳动地更快，身体也会消耗更多能量。

Mountain air contains less oxygen than air at lower altitudes, so breathing it causes the heart to beat faster and the body to burn more energy.

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休克、心动过缓和呼吸不规则是重要的预示性症状，伴有呼吸窘迫的严重疟疾是低血氧症的常见原因。

Shock, bradycardia and irregular breathing are important predictive signs, and severe malaria with respiratory distress is a common cause of hypoxaemia.

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压力越小，血压越低、呼吸越慢、代谢越慢，然后肌肉随之放松。

With less stress, lower blood pressure, slower respiration, slower metabolism, and released muscle tension follows.

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