Which body cavity is also known as the thoracic cavity?

The chest cavity is the anatomical term commonly used to refer to the thoracic cavity. This cavity is situated between the neck and the diaphragm and is enclosed by the rib cage. It contains vital organs such as the heart and lungs, and its structure provides protection to these organs while allowing for the necessary movements associated with breathing. The term "chest cavity" is often used interchangeably with "thoracic cavity" in both medical contexts and common language, making this answer the most appropriate.

The other options do not accurately define the thoracic cavity. The rib cage refers to the structure composed of ribs surrounding the thoracic cavity, not the cavity itself. The abdominal cavity is a different compartment located below the thoracic cavity, housing organs like the stomach and intestines. The pelvic cavity is even lower and contains reproductive and urinary organs, thus distinct from the thoracic cavity.