The ________ internally divides the thoracic cavity from the abdominal cavity

A) mediastinum
B) umbilicus
C) viscera
D) diaphragm


D
Explanation: A) The mediastinum is contained within the thoracic cavity.
B) The umbilicus is on the surface of the abdomen.
C) The viscera are the large internal organs within the abdominopelvic cavity.
D) Correct!

Health & Biomechanics

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