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Breathing and Exchange of Gases question

2011 · Q58
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Breathing and Exchange of Gases question

2011 · Q58

NEETBiologyBreathing and Exchange of GasesMCQ+4 / −1
The figure given below shows a small part of human lung where exchange of gases takes place. Select the option which represents labelled part (A, B, C or D) correctly identified along with its function. AIPMT 2011 Prelims Biology - Breathing and Exchange of Gases Question 22 English
  1. A
    D : capillary wall - exchange of O2 and CO2 takes place here
  2. B
    B : red blood cells - transport of CO2 mainly.
  3. C
    A : alveolar cavity - main site of exchange of respiratory gases
  4. D
    C : arterial capillary - passes oxygen to tissues
View written solutionFree

Correct answer: C

In the given figure the exchange of respiratory gases occurs in alveolar cavity.

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