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Question : The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions?

Answer»

C-Vena cava- takes blood from body parts to right AURICLE, `Pco_2` = 45 MM Hg
D-Dorsal AORTA- takes blood from heart to body parts, `Po_2 = 95` mm Hg
A- Pulmonary vein -takes impure blood from body parts, `Po_2 = 60` mm Hg
B-Pulmonary artery-takes blood from heart to LUNGS, `Po_2 = 90` mm Hg

Answer :A


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