hematopoiesis. (physiology). The process by which the cellular elements of the blood are formed.ematopoiesis. (physiology). The process by which the cellular elements of the blood are formed.
This is why Everest climbers typically make several trips up and down the mountain to increasingly high elevation camps to acclimate their bodies to high altitude conditions. Other risks to Everest climbers include frostbite and hypothermia from the extreme temperatures, thrombosis or embolisms caused by thickening of blood in response to high altitude, extreme sunburn, and broken bones from falls.
There is no firm count of the exact number of climbers that have died on Mount Everest, but as of 2016, about 280 climbers have died, about 6.5 percent of the more than 4,000 climbers who have reached the summit since the first ascent by Edmund Hillary and Tenzing Norgay in 1953. Most Die While Descending