NEET2013Zoology-Human Physiology
NEET 2013 Zoology Circulation of Gases MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Figure shows blood circulation in humans with labels i to iv. Select the option which gives correct identification of label and functions of the part:
A
ii - Capillary - thin without muscle layers and wall two cell thick
B
iii - Vein - thin walled and blood flows in jerks/spurts
C
iv - Pulmonary vein - takes oxygenated blood to heart PO₂ = 95 mm Hg
D
i - Artery - thick walled and blood flows evenly
Correct Answer
Option C
Detailed Explanation
Arteries have thick walls to withstand high pressure and ensure even blood flow.
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