Asked Oct 20, 2019

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.


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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Animal Physiology and Biochemistry

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