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How the exchanges of gases take …

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How the exchanges of gases take place in our respiratory system?

Posted by Simarjeet Kaur 5 years, 8 months ago

CBSE > Class 10 > Science

2 answers

Sandli Thakur 5 years, 8 months ago

Alveoli are the air sacs of the lungs. They have thin walls surrounded by blood capillaries. Gas exchange occurs in the alveoli. During inhalation, oxygen gas is in higher concentration in the alveoli than in the blood and so it diffuses into the blood through this thin layer of cells. During exhalation, carbon dioxide is in higher concentration in the blood than in the alveoli and so it diffuses into the alveoli through this thin layer of cells.

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W T F ? 5 years, 8 months ago

Take the help of google ?

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CBSE > Class 10 > Science