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Question

Identify the correctly labelled parts 1, 2 and 3 from the given options.


A
1 –Inferior Vena cava; 2 – Pulmonary artery; 3 – Pulmonary vein
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B
1 – Pulmonary artery; 2 – Pulmonary vein; 3 – Vena cava
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C
1 – Pulmonary artery; 2 – Superior Vena cava; 3 – Pulmonary vein
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D
1 – Pulmonary vein; 2 – Inferior Vena cava; 3 – Pulmonary artery
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Solution

The correct option is C 1 – Pulmonary artery; 2 – Superior Vena cava; 3 – Pulmonary vein
In the given diagram, ‘1’ represents the pulmonary artery that carries deoxygenated blood from the right ventricle to the lungs, while ‘2’ represents the superior vena cava that carries deoxygenated blood from the upper body parts to the right auricle. Further, ‘3’ represents the pulmonary vein that carries oxygenated blood from the lungs to the left auricle.

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