Chemistry, asked by sameekshasharma186, 1 month ago

In mammals, respiratory organs are​

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Answered by babydoll57
1

Answer:

In land animals the respiratory surface is internalized as linings of the lungs. Gas exchange in the lungs occurs in millions of small air sacs; in mammals and reptiles these are called alveoli, and in birds they are known as atria.

Answered by Anonymous
4

Answer:

In land animals the respiratory surface is internalized as linings of the lungs. Gas exchange in the lungs occurs in millions of small air sacs; in mammals and reptiles these are called alveoli, and in birds they are known as atria.

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