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Zoology · 2017

NEET 2017 · 7 May · Code A · Q148

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of:

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of :
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NEET (UG) 2017 Zoology question, with the answer from NTA’s final answer key. Where our answers come from.