During Expiration, Relaxation of the Diaphragm and External Intercostals

question 9

Multiple Choice

During expiration, relaxation of the diaphragm and external intercostals

• A) increases the volume of the thoracic cavity.
• B) increases the pressure in the thoracic cavity.
• C) expands the rib cage.
• D) flattens the floor of the thoracic cavity.
• E) stimulates the phrenic nerve.

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