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  4. In man, during inspiration, the dome-shaped diaphragm becomes:

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Q. In man, during inspiration, the dome-shaped diaphragm becomes:

NTA AbhyasNTA Abhyas 2020Breathing and Exchange of Gases

Solution:

Inspiration is the process in which air is taken inside the lungs. During inspiration, the dome-shaped diaphragm becomes more or less flat. As a result, the volume of the thoracic cavity increases.