Biology, asked by swasi0102, 9 months ago

Why are the surfaces which are responsible to exchange gases for respiration in bigger animals are protected within the body?
(the q is why it's protected)

Answers

Answered by urja79

Explanation:

The primary function of the lung is gas exchange. The alveoli allow this gas exchange to occur. ... The rate of oxygen diffusion is dependent on surface area, so gas exchange occurs more quickly with larger surface areas

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Answered by pritigupta19

Answer

Large animals cannot maintain gas exchange by diffusion across their outer surface. They developed a variety of respiratory surfaces that all increase the surface area of exchange, thus allowing for large bodies.

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