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Why does gaseous exchange continue in the lungs even during expiration? Concise Biology Class IX By H.S. Vishnoi CHAPTER 16-THE RESPIRATORY SYSTEM |
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Answer» Gaseous exchanges continue in the lungs uninterrupted because some air is always present INSIDE the lung alveoli even during EXPIRATION. ... Contraction of inspiratory muscles CAUSES INSPIRATION while RELAXATION causes expiration |
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