Q.
The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its functions?
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a
C - Vena Cava - takes blood from body parts to right auricle, Pco2 = 45 mm Hg
b
D - Dorsal aorta - takes blood from heart to body parts,Po2 = 95 mm Hg
c
A - Pulmonary vein - takes impure blood from body parts, Po2 = 60 mm Hg
d
B - Pulmonary artery - takes blood from heart to lungs, Po2 = 90 mm H g.
answer is A.
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