AIIMS 2016 Biology Question Paper for free online practice with solutions

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Question : 15 of 60

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The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the labels along with their functions and select the correct option

C – Vena Cava – takes blood from body parts to right atrium, PCo2=45 mm Hg
D – Dorsal aorta – takes blood from heart to body parts, Po2= 95 mm Hg
A – Pulmonary vein – takes impure blood from body parts to heart, Po2= 600 mm Hg.
B – Pulmonary artery – takes blood from heart to lungs, Po2= 90 mm Hg.

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