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.
Parachute or lifejacket malfunctions can also hugely increase injury risk. Spinal cord injuries, paralysis and traumatic brain injuries have also been recorded. This accident in Johannesburg has brought the safety of skydiving, bungee jumping and BASE jumping. Bungee jumping and cable jumping