Extreme challenges to an animals physiology allow us to exploreand bet...

Extreme challenges to an animalâ€™s physiology allow us to explore and better understand the function of...

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Medical Sciences

Extreme challenges to an animalâ€™s physiology allow us to exploreand better understand the function of systems in thebody.Â Â Please address the following questions regardingthe initial reflexive changes (before acclimatization) that occurin response to ascent to altitude.
A) Outline the initial global reflexes that occur in response tothe low PO₂ at high altitude. Be sure to include allcomponents of the reflex arcs for cardiovascular and respiratorysystems.
B) Compare these global reflexes to local reflexes occurring inthe lungs.

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4.4 Ratings (846 Votes)

Acclimatisation At high altitude barometric pressure decreases and there is decrease in po2 partial pressure of 02 while PCo2 and PH remain constant In acclimatised child individual Oxygen delivery to tissues is maintained by Haemoconcentration 1 Increase 23 DPG biphosphoglycric acid reduces the affinity of hb for Oxygen and increase in relaese of O2 at tissue levels help a lot 2Increase in See Answer

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