state the role of diaphragm?
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Diaphragm separates the thoracic cavity, containing the heart and lungs from the abdominal cavity and performs an important function in the respiration as the diaphragm contracts the volume of thoracic cavity increases and air is drawn into the lungs.
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It helps in increasing or reducing the thoracic cavity during breathing.
It increases when oxygen enters, but reduces when carbon dioxide is released.
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