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What is the use of diaphragm

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What is the use of diaphragm

    • Posted by Chhaya Gupta 5 years, 11 months ago

    CBSE > Class 10 > Science
    • 1 answers

    Yogita Ingle 5 years, 11 months ago

    • The diaphragm in the respiratory system is the dome shaped sheet of muscle that separates the chest from the abdomen.
    • During inhalation the diaphragm contracts and moves in the inferior direction, thus enlarging the volume of the thoracic cavity.
    • This reduces the pressure in the lungs and air enters into lungs.
    • During exhalation the diaphragm relaxes and assumes its dome shape. This change increases the pressure on the lungs and squeezes the air out through the nose to the external atmosphere.
       

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