Question

Figure shows schematic plan of blood circulation in humans with labels A to D. Identify the label and give its function/s.

• A. A - Pulmonary vein - takes impure blood from body parts, PO₂ = 60 mm Hg
• B. B - Pulmonary artery - takes blood from heart to lungs, PO₂ = 90 mm Hg
• C. C-Vena Cava - takes blood from body parts to right auricle, PCO₂ = 45 mm Hg
• D. D-Dorsal aorta - takes blood from heart to body parts, PO₂ = 95 mm Hg

Answer 1

The Correct Option is C

The correct option is (C): C-Vena Cava - takes blood from body parts to right auricle, PCO₂ = 45 mm Hg.