NEETBiologyBody Fluids and Its CirculationMCQ+4 / −1
The given figure shows schematic plan of blood
circulation in humans with labels A to D.
Identify the label and give its functions?
- AA - Pulmonary vein - takes impure blood from body parts, pO2 = 60 mm Hg
- BB - Pulmonary artery - takes blood from heart to lungs, pO2 = 90 mm Hg
- CC - Vena cava - takes blood from body parts to right auricle, pCO2 = 45 mm Hg
- DD - Dorsal aorta - takes blood from heart to body parts, pO2 = 95 mm Hg
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Correct answer: C
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 auricle, and D is pulmonary artery which takes impure blood from heart to lungs.
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