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How does the body create a difference between atmospheric and intrapulmonary pressures to cause air flow to and from the lungs

Sagot :

Answer:

During inspiration, the diaphragm and external intercostal muscles contract, causing the rib cage to expand and move outward, and expanding the thoracic cavity and lung volume. This creates a lower pressure within the lung than that of the atmosphere, causing air to be drawn into the lungs.

Explanation: