NEET2016ZoologyBody Fluids and CirculationActual
The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the labels along with their functions and select the correct option.
Options
- AC - Vena Cava - takes blood from body parts to right atrium, Pco ₂=45 ~mm Hg
- BD - Dorsal aorta - takes blood from heart to body parts, Po ₂=95 ~mm Hg
- CA - Pulmonary vein - takes impure blood from body parts to heart, Po ₂=60 ~mm Hg
- DB - Pulmonary artery - takes blood from heart to lungs, Po ₂=90 ~mm Hg .
Correct answer
A. C - Vena Cava - takes blood from body parts to right atrium, Pco ₂=45 ~mm Hg
Step-by-step solution
In the given figure: A is pulmonary vein which brings pure blood from lungs to left atrium, B is dorsal aorta which carries blood from heart to body parts, C is vena cava which carries impure blood from body parts to right atrium, and D is pulmonary artery which takes impure blood from heart to lungs.