Question

11.Why does the pressure in the lungs decrease during inhalation?
CLASS 10 ​

Answer 1

Answer:

During the process of inhalation, the lung volume expands as a result of the contraction of the diaphragm and intercostal muscles (the muscles that are connected to the rib cage), thus expanding the thoracic cavity. Due to this increase in volume, the pressure is decreased, based on the principles of Boyle's Law.

Answer 2

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When you inhale, muscles increase the size of your thoracic (chest) cavity and expand your lungs. This increases their volume, so pressure inside the lungs decreases. As a result, outside air rushes into the lungs. ... As a result, air rushes out of the lungs, flowing from an area of higher to lower pressure.

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