Question
Asked Oct 20, 2019
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explain the relative roles of the respiratory muscles and lung elasticity in producing the volume changes that cause air to flow into and out of the lungs.

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Expert Answer

Step 1

Pulmonary ventilation is defined as the process of breathing that is governed by atmospheric pressure. Two types of pressure are found in the lungs: alveoli pressure of the lungs and the pressure of the pleural cavity.

Step 2

Boyle’s law explains the mechanism of breathing in the lungs. According to Boyle’s law, in a closed area, the volume and pressure are inversely related. As pressure increases, the volume of the lungs falls and a decrease in pressure increases the volume.

The process of exhalation and inhalation are dependent on the muscles of the thoracic cavity and the pressure gradient present between the atmo...

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Biology

Animal Physiology and Biochemistry

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