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

Options

A. B-Pulmonary artery-takes blood from heart to lungs, `p_(O_(2))=90` mm Hg
B. C-Vena Cava - takes blood from body parts to right auricle, `p_(CO_(2))=45` mm Hg
C. D-Dorsal aorta - takes blood from heat to body parts, `p_(O_(2))=95` mm Hg
D. A-Pulmonary vein-takes impure blood from body parts, `p_(O_(2))=60` mm Hg

Answer

B