Exchange of gases in the human breathing system takes place in the?
2 answers:
<h2>Required Answer :- </h2>
The exchange of gases takes place in the <u>alveoli.</u>
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<h3>Additional information :- </h3>
Alveoli are microscopic air sacs.
They are the primary sites of exchange of gases. Gas exchange also occurs in lungs and tissues by diffusion.
Atmospheric air contains little CO2, but blood flowing in pulmonary capillaries has a higher concentration of CO2.
CO2 diffuses from higher concentration in blood across walls of alveolar capillaries to lower concentration in air in alveoli.
Blood coming into pulmonary capillaries is oxygen poor and alveolar air is oxygen rich.
Oxygen diffuses from higher concentration in alveoli across walls of alveolar capillaries to lower concentration in blood.
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Hope it's helps !!
<h3> Answer</h3>
alveoli
<h2> Explanation</h2>
During gas exchange oxygen moves from the lungs to the bloodstream. ... This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.
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