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| | Death zone - Wikipedia, the free encyclopedia |
 | | The death zone is a term that refers to high altitudes, encountered by mountain climbers, where the amount of oxygen present cannot sustain human life. |
 | | At extreme altitudes (above 7,500 metres, 24,600 feet), sleeping becomes very difficult, digesting food is impossible (as the body shuts the digestive system down), and the risk of HAPE or HACE increases greatly. |
 | | Finally, in the "death zone" at 8,000 metres (26,250 feet) and higher, no human body can acclimatize. |
| en.wikipedia.org /wiki/Death_zone (309 words) |
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