Death zone
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In mountaineering, the death zone refers to altitudes above which the pressure of oxygen is insufficient to sustain human life for an extended time span. This point is generally considered to be 8,000
The summit ridge of Mount Everest lies in the death zone
Bottled oxygen can help mountaineers survive in the death zone
Mount Everest
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Mount Everest is the highest mountain on Earth above sea level. It lies in the Mahalangur Himal sub-range of the Himalayas and marks part of the China–Nepal border at its summit. Its height was most r
Death zone
…its sea level value at 5,500 m (18,000 ft), the altitude of the Mount Everest base camp, and less than a third at 8,849 m (29,032 ft), the summit of Mount Everest. When PO2 drops, the body responds with altitude acclimatization. Additional red blood cells are manufactured; the heart beats faster; non-essential…
View of Mt. Everest from the west
North Face of Everest as seen from the path to North Base Camp
View from the south (Nepal) shows Everest rising behind the ridge connecting Nuptse and Lhotse; in the foreground are Thamserku, Kangtega, and Ama Dablam
The name "Mount Everest" was first proposed in this 1856 speech, later published in 1857, in which the mountain was first confirmed as the world's highest.