Respuesta :

There are three causes of relaxed expiration-

the diaphragm's relaxation

tissue elasticity and recoil.

Surface tension

What is the primary reason for expiration when resting?

Expiration occurs passively during silent breathing while at rest, primarily as a result of the relaxed striated muscles of the inspiratory breathing system and elastic recoil of the lungs.

In a relaxed expiration, which muscles are used?

The elastic recoil of the lungs and surface tension create relaxed normal expiration, which is a passive action. The internal intercostals, intercostalis intimi, subcostals, and abdominal muscles are a few of the muscles that aid in forcing out air.

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