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प्रश्न
What is the role of the diaphragm in respiration in human beings?
उत्तर
Diaphragm moves up and down and helps in the exchange of air between the atmosphere and lung
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संबंधित प्रश्न
Starting from the nostrils, trace the path in sequence which the inspired air takes until it reaches the air sacs.
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Fill in the blank.
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ureter, kidney, urinary bladder, lung, urethra
Label the diagram given below:
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The pharynx opens into trachea through an opening called ______ guarded by a cartilaginous flap called ______.
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