Question

explain the mechanism of breathing for class 7​

Answer 1

Answer:

inhalation and exhalation in the process of breathing means take oxygen and get out the co2

Explanation:

hope it will help you to do this question

Answer 2

Answer:

in humans the breathing process takes place by taking in oxygen into body through lungs and expelling air rich in carbon dioxide out of our body.

Explanation:

nostil, nasal cavaty, trachea, bronchi, bronchiole and alveoli are ,main parts in this pricess