Diaphragm – Definition and Function

Definition and Function of Diaphragm The thin, flat MUSCLE that forms the floor of the thoracic cavity (chest), establishing a physical barrier between the thoracic cavity and the abdominal cavity. Small openings in the diaphragm allow structures such as the AORTA, inferior VENA CAVA, and ESOPHAGUS to pass through. The lower lobes of the LUNGS and the base of the HEART rest against the diaphragm. […]

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Lungs Function and Health Conditions

Definition of Lungs Lungs – The paired organs in the chest that bring oxygen-bearing air into the body and expel wastes in the form of exhaled gases, primarily carbon dioxide. Structure of Lungs and Function The right lung has three lobes and the left lung has two lobes. An indentation between the left lung’s two […]

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