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.
A group of Sherpa children in Lukla, Nepal. The deaths last week of 16 guides in an avalanche on Mount Everest has increased global awareness of the region's close-knit Sherpa community and the risks some of these individuals take when helping climbers ascend the world's tallest peaks.