Question

explain the mechanism breathing in human

Answer 1

human breathing system is most complex system
first air enters through nose .then it is entered into lungs then immediately not useful air is sent out. in lungs it is purified.

Answer 2

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• The breathing in human beings takes place through the organs called lungs. The taking in of air rich in oxygen into the body during breathing is called 'inhalation' and giving out (or expelling) the air rich in carbon dioxide is called 'exhalation'. Both, inhalation and exhalation take place regularly during breathing.