Question

describe how inhalation and exhalation takes place in the human respiratory system
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Answer 1

Answer:

When the diaphragm contracts, it moves down towards the abdomen. This movement of the muscles causes the lungs to expand and fill with air, like a bellows (inhalation). Conversely, when the muscles relax, the thoracic cavity gets smaller, the volume of the lungs decreases, and air is expelled (exhalation

Answer 2

Beta go and check your book there will be the answer