Question

what is the exhalation of volume of thoracic cavity​

Answer 1

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The thoracic cavity (or chest cavity) is the chamber of the human body that is protected by the thoracic wall (rib cage and associated skin, muscle, and fascia), limited by the costa and the diaphragm. It includes: ... structures of the respiratory system, including the Diaphragm, trachea, bronchi and lungs.

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Answer 2

During expiration, the diaphragm relaxes, and the volume of the thoracic cavity decreases, while the pressure within it increases. As a result, the lungs contract and air is forced ou

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