Human Beings Is A Process Of Evolutionary Adaptation Populations Of Tibet, The Andes And Ethiopia

1404 Words May 6th, 2016 null Page
Adaptation at elevated altitudes in human beings is a process of evolutionary adaptation in populations of Tibet, the Andes and Ethiopia. These people have attained the power of survival at extreme climate conditions (Beall et al., 2002). As life at high altitude is tough, this causes adaptational mechanisms among these inhabitants (Van Patot & Gassmann, 2011). While these severe conditions would have an abysmal negative effect on the health of human beings throughout the planet, the abovementioned populations can survive at these most elevated regions of the globe. While the majority of the world’s population would be prone to serious health consequences for instance hypoxia, these inhabitants prosper in the highest parts of the globe. The latters have gone through massive physiological alterations, particularly in the respiration and circulation systems in comparison with the lowland inhabitants (Beall et al., 2002).

Discuss and outline typical changes in blood and cardiovascular function associated with acclimation to high altitude in adults from low altitude regions.
The several mechanisms having to adapt in response to being exposed to high altitudes are focused towards optimising oxygen availability and raising the pressure of oxygen at the tissue level. This is achieved through some alterations in the conveyment of oxygen in the blood, pulmonary ventilation, usage of oxygen at tissue level, movement of oxygen from blood to tissues and lastly lung volume and…

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