EXERCISE 3 or alone to complete this exercise. You and your fellow classmates ha

Question

EXERCISE 3 or alone to complete this exercise. You and your fellow classmates have decided to take a va Work with a small group tion to the Andes Mountains in South America ca- . You plan to spend 2 weeks hiking, camping, and exploring the area. re there, you can expect to undergo some acclimatization to this higher altitude environment. Describe one of these possible acclimatizations. would your body undergo such a change? What benefit or benefits does this aclimatization afford while you are vacationing in higher altitudes? 3. Several weeks after you have returned home from your vacation, can you expect to still have this acclimatization? 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. tation? Why or S. If someone with this adaptation were to come visit you in a lower altitude, would they lose their adap why not?

Explanation / Answer

Q5) When we breathe in air at sea level, the atmospheric pressure of about 14.7 pounds per square inch (1.04 kg. per cm.2) causes oxygen to easily pass through selectively permeable lung membranes into the blood. At high altitudes, the lower air pressure makes it more difficult for oxygen to enter our vascular system

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