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Figure shows schematic plan of blood cir...

Figure shows schematic plan of blood cir- culation in humans with labels A to Z. Identify the label and give its functions

A

A-Pulmonary vein-takes impure blood from body parts, `PO_(2) = 60` mm Hg

B

B-Pulmonary artery – takes blood from heart to lungs, `PO_(2) = 90` mm Hg

C

C-Vena Cava-takes blood from body parts to right auricle, `PCO_(2) = 45` mm Hg

D

D-Dorsal aorta – takes blood from heart to body parts, `PO_(2) = 95` mm Hg

Text Solution

Verified by Experts

The correct Answer is:
C
Vena Cava takes blood from to body parts to right auricle. Partial pressure of `CO_(2)` is 45 mmHg Hg under which `CO_(2)` is taken form tissues.
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