Question

Figure shows schematic plan of blood circulation in humans with labels $A$ to $ D$, Identify the label and give its functions :-

• A. D-Dorsal aorta-takes blood from heart to body parts, $PO _{2}=95 mmHg$
• B. A-Pulmonary vein-takes impure blood from body parts, $PO _{2}=60 mmHg$
• C. B-Pulmonary artery-takes blood from heart to lungs, $PO _{2}=90 mmHg$
• D. C-Vena cava-takes blood from body parts to the right auricle, $PCO _{2}=45 mmHg$

Answer 1

Answer: (D)

Correct answer is (d) C-Vena cava-takes blood from body parts to the right auricle, $PCO _{2}=45 mmHg$