Zoology - Breathing and Exchange of Gases Question with Solution | TestHub
ZoologyBreathing and Exchange of GasesRespiratory OrgansMedium2 minPYQ_2016
ZoologyMediumsingle choice
Lungs does not collapse between breaths and some amount of air will always remain in the lungs which can never be expelled because,NEET 2016 (Phase 2)
Options:
Answer:
B
Solution:
The pressure within the pleural cavity is slightly less than that of atmospheric pressure and this is referred to as negative pressure. Hence, the lungs do not collapse between breaths and some air always remains in it. Even after the most forceful expiration, there will be sufficient volume of air in the lungs. This is called residual volume. It is about 1.2 litre in males and 1.1 litre in females.
Stream:NEETSubject:ZoologyTopic:Breathing and Exchange of GasesSubtopic:Respiratory Organs
⏱ 2mℹ️ Source: PYQ_2016
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