STANDARDZoology-Respiratory System
STANDARD Zoology Structure of Lungs MCQ Question
Type: MCQ-conceptual-Medium
The figure given below shows a small part of the human lung where the exchange of gases takes place. In which one of the option given below, the one part A, B, C or D is correctly identified along with its functions
A
B : Red blood cell - transport of CO₂ mainly
B
C : pulmonary capillary - passes oxygen to tissues
C
A : alveoli- main site of exchange of respiratory gases
D
D : systemic capillary - passes carbon dioxide to alveoli
Correct Answer
Option C
Detailed Explanation
Alveoli is a sac-like structure surrounded by simple squamous epithelium for gas exchange.
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