When Contracted,this Muscle Causes Expansion of the Thoracic Cavity and Increases

question 34

Multiple Choice

When contracted,this muscle causes expansion of the thoracic cavity and increases pressure in the abdominopelvic cavity.Its insertion is on a central tendon.

• A)Internal intercostals
• B)External intercostals
• C)Transversus thoracis
• D)Diaphragm
• E)Serratus posterior inferior

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