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Why lungs are called air tight …

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Why lungs are called air tight chambers?

Posted by Harshita Singh 5 years, 11 months ago

CBSE > Class 10 > Science

2 answers

Yogita Ingle 5 years, 11 months ago

Thoracic chamber should be air tight in order to maintain different air volumes in the lung at different phases of respiration which is essential for breathing. Any change in the thoracic volume will reflect on the pulmonary volume.

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Abhishek Mishra 5 years, 11 months ago

Because gaseous exchange takes place in lungs

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Posted by Pandey Ji 6 months ago

CBSE > Class 10 > Science