Question

How the exchange of gaseous takes place in lungs?

Answer 1

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Gas Exchange in the Lungs. In the lungs, oxygen and carbon dioxide (a waste product of body processes) are exchanged in the tiny air sacs (alveoli) at the end of the bronchial tubes. ... When a person inhales, oxygen moves from the alveoli to the surrounding capillaries and into the bloodstream.

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Answer 2

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The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli...
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