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.
Aerial view of Mount Hood's rugged north side. Mount Hood climbing accidents are mountain climbing- or hiking-related incidents on Oregon's Mount Hood. As of 2007, about 10,000 people attempt to climb Mount Hood each year. As of May 2002, more than 130 people have died climbing Mount Hood since records have been kept. One of the worst climbing accidents occurred in 1986, when seven teenagers and two school teachers froze to death while attempting to retreat from a storm.