Question

what are the functions of respiratory system

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Answer 1

Explanation:

The respiratory system, also called the gas exchange system, is the body getting rid of carbon dioxide and taking in oxygen. ... Inhalation means bringing air rich in oxygen into the body. Exhalation means giving out air rich in carbon dioxide from the body.

Answer 2

Explanation:

• The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are lungs, which carry out this exchange of gases as we breathe