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.
C- Vena Cava - takes blood from body parts to right atrium, Pco2 = 45 mm Hg
D- Dorsal aorta - takes blood from heart to body parts, Po2 = 95 mm Hg
A- Pulmonary vein - takes impure blood from body parts to heart, Po2 = 60 mm Hg
B- Pulmonary artery - takes blood from heart to lungs, Po2= 90 mm Hg.
A.
C- Vena Cava - takes blood from body parts to right atrium, Pco2 = 45 mm Hg
In the given figure:
1. A is pulmonary vein which brings pure blood from lungs to left atrium.
2. B is dorsal aorta which carries blood from heart to body parts.
3. C is vena cava which carries impure blood from body parts to right atrium.
4. D is pulmonary artery which takes impure blood from heart to lungs.
