Massage Therapist

Category - Body Systems

What muscle expands and contracts the ribcage and assists in respiration?
  1. Abdominal
  2. Serratus
  3. Diaphragm
  4. Oblique
Explanation
Answer: C The diaphragm expands and contracts the ribcage and assists in respiration. The diaphragm helps to pull oxygen into the lungs and expel carbon dioxide.
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