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.
Avalanches killed 35 climbers on Mount Everest the past two years -- including 16 in one devastating day in 2014. At least one person has died climbing the mountain in Nepal every year since 1990. And now the 2016 climbing season has claimed its first victims.