Date: LAB 8 Modern Human Variation EXERCISE 3 ALTITUDE Work with a small group o

Question

Date: LAB 8 Modern Human Variation EXERCISE 3 ALTITUDE Work with a small group or alone to complete this exercise. You and your tion to the Andes Mountains in South America. You plan to spend 2 fellow classmates have decided to take a vaca hiking, camping and exploring the area 1. nvironment. Describe While you are there, you can expect one of these possible acclimatizations to undergo some acclimatization to this higher altitude e 2. Why would your body undergo such a change? What benefit or benefits does this are vacationing in higher altitudes 3. Several weeks after you have returned home from your vacation, can you expect to Why or why not? 4. Also, while you are in the Andes, you notice that local people seem to be better adapted to the altitude conditions than you are. Describe one of these possible adaptations th this adaptation were to come visit you in a lower altitude, would they lose their adaptation? Why or why not?

Explanation / Answer

1)reduction of barometric pressure and reduction in oxygen pressure,leading t a series of imp physiologic responses that enable individual to tolerate hypoxia.

2)the decrease in partial pressure of oxygen reduces maximal oxygen uptake and impairs aerobic perforance y reducing maximal aerobic power.

sleeping and digesting food become very difficult.

3)yes,the acclimitaztions still be there due to illness ,headache and feel nauseous and weak.

4)due to the long term physiological responses to high altitude environments associated with heritable behavioural and genetic changes.

5)blood pressure suppose to b normalize that is reverse altitude sickness.

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