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Movement of air into and out of the lung...

Movement of air into and out of the lungs is carried out by a creating____ between the lungs and atmosphere.

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The correct Answer is:
Pressure gradient
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Fill up the blanks in the following paragraph by selecting the correct option. The movement of air into and out of the lungs is carried out by creating a (i).____ between the lungs and the atmosphere. Inspiration can occur if intra-pulmonary pressure is (ii).____ Expiration takes place when the intra-pulmonary pressure is (iii).____ than the atmospheric pressure. Expiration takes place when the intra-inspiration is initiated by the (iv).____ of diaphragm which (v).____the volume of thoracic chamber in the antero-posterior axis.

Fill in the blanks : Breathing involves two stages. ...1... dunng vyhlc atmospheric airs drawn in and ...2... explratxon by which alveolar air is relesed out. b. The movement of air Into and out of the lungs is carried out by ...3... gradient between the lungs and the atmosphere. c. Inspiration can occur if the pressure within lungs is ...4... than the atmosphere pressure i.e., there is a ...5...pressure in the lungs with respect to atmospheric pressure. d. Expiration takes place when the intra pulmonary pressure is ...6... than atmospheric pressure.

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