The thoracic cavity is divided into how many cavities?

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Study for the Ivy Tech APHY 101 – An Introduction to the Human Body test. Engage with flashcards and multiple choice questions, with detailed hints and explanations. Get ready to excel!

Multiple Choice

The thoracic cavity is divided into how many cavities?

Explanation:
Two main compartments. The thoracic cavity is separated by a horizontal plane at roughly the level of the sternal angle into a superior thoracic cavity and an inferior thoracic cavity. The superior part contains structures such as the trachea, esophagus, thymus, and great vessels, while the inferior part houses the heart within the pericardial cavity and the lungs within the pleural cavities (with the mediastinum between the two pleural spaces). So, at this broad level, there are two cavities.

Two main compartments. The thoracic cavity is separated by a horizontal plane at roughly the level of the sternal angle into a superior thoracic cavity and an inferior thoracic cavity. The superior part contains structures such as the trachea, esophagus, thymus, and great vessels, while the inferior part houses the heart within the pericardial cavity and the lungs within the pleural cavities (with the mediastinum between the two pleural spaces). So, at this broad level, there are two cavities.

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