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.
My current list of dangers for hiking/snowshoeing in the High Sierra is: 1  Blisters - (and bunions). 2  Sunburn See also Sunglasses. 3  Dehydration/Heat exhaustion.  Rocks (sprained ankles, tripping, stubbing toes while wading without water 1  shoes) Mosquitoes 2  :-) Virusis picked up from other people due to lack of sanitation.  Getting lost.