<P> In human anatomy , the thoracic diaphragm , or simply the diaphragm ( Ancient Greek : διάφραγμα diáphragma `` partition '' ) , is a sheet of internal skeletal muscle that extends across the bottom of the thoracic cavity . The diaphragm separates the thoracic cavity , containing the heart and lungs , from the abdominal cavity and performs an important function in respiration : as the diaphragm contracts , the volume of the thoracic cavity increases and air is drawn into the lungs . </P>
<P> In human anatomy , the thoracic diaphragm , or simply the diaphragm ( Ancient Greek : διάφραγμα diáphragma `` partition '' ) , is a sheet of internal skeletal muscle that extends across the bottom of the thoracic cavity . The diaphragm separates the thoracic cavity , containing the heart and lungs , from the abdominal cavity and performs an important function in respiration : as the diaphragm contracts , the volume of the thoracic cavity increases and air is drawn into the lungs . </P>
where is the diaphragm located in the body
where is the diaphragm located in the body
across the bottom of the thoracic cavity
across the bottom of the thoracic cavity