Q-13 Define breathing. Explain the mechanism of breathing in human beings.
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Breathing is a process of taking in and out of gases like carbon dioxide and oxygen. Breathing is the main process which is very very essential for survival of human beings.
Oxygen is taken in when it is less in the human being and carbon dioxide gets out of the human being and vice versa.....
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Oxygen is taken in when it is less in the human being and carbon dioxide gets out of the human being and vice versa.....
HOPE IT HELP U.......
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