favelag453
favelag453 favelag453
  • 17-02-2021
  • Biology
contestada

What is the adaptive value of having the organ of gas exchange (the alveolus) inside the body?

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wwwemersonkanu
wwwemersonkanu wwwemersonkanu
  • 17-02-2021

For gaseous exchange and energy distribution

Explanation:

they give the lungs a really big surface area.

they have moist, thin walls (just one cell thick)

they have a lot of tiny blood vessels called capillaries

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