The expansion of the lungs during inspiration generates a pressure gradient causing air to flow into the lungs.This is an example of Boyle's law.

Question

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Boyle's law states that the pressure of a gas is inversely proportional to its volume, assuming constant temperature. During inspiration, the expansion of the lungs increases the volume, which decreases the pressure inside the lungs. This pressure gradient then causes air to flow from an area of higher pressure (the atmosphere) to an area of lower pressure (the lungs), resulting in the inhalation of air. Therefore, the expansion of the lungs during inspiration is an example of Boyle's law.

The Expansion of the Lungs During Inspiration Generates a Pressure