The divisions of the thoracic cavity include all of the following except the:
A) left pleural cavity.
B) right pleural cavity.
C) respiratory cavity.
D) mediastinum.

Question

Quizplus · Accepted Answer

The divisions of the thoracic cavity include the left and right pleural cavities (which contain the lungs), the mediastinum (which contains the heart, great vessels, thymus, and other structures), and the respiratory cavity (which is not a recognized division of the thoracic cavity).

The Divisions of the Thoracic Cavity Include All of the Following