Firing of the Intercostal and Phrenic Nerves

question 43

Multiple Choice

Firing of the intercostal and phrenic nerves

• A)activates the respiratory control center in the medulla oblongata.
• B)causes relaxation of the muscles of respiration.
• C)causes a skeletal muscle response that increases thoracic volume.
• D)dilates the bronchioles.

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