The Floor of the Thoracic Cavity is a Strong, Dome-Shaped

Question

The floor of the thoracic cavity is a strong, dome-shaped muscle called the _______.
A) thorax
B) glottis
C) diaphragm
D) intercostal muscles

Accepted Answer

The floor of the thoracic cavity is the diaphragm, which is a strong, dome-shaped muscle that separates the thoracic and abdominal cavities.