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AIIMS 2016
Exam
AIIMS
Year
2016
Subject
Zoology
Chapter
Body Fluids and Circulation

AIIMS 2016 · Zoology · Body Fluids and Circulation

The given figure shows schematic plan of blood circulation in...

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. The given figure shows schematic plan of blood circulation in humans with labels A to D. Identify the labels along with

Options

  1. AC - Vena Cava - takes blood from body parts to right atrium, Pco2=45 mmHg\mathrm{Pco}_2=45 \mathrm{~mm} \mathrm{Hg}
  2. BD - Dorsal aorta - takes blood from heart to body parts, Po2=95 mmHg\mathrm{Po}_2=95 \mathrm{~mm} \mathrm{Hg}
  3. CA - Pulmonary vein - takes impure blood from body parts to heart, Po2=60 mmHg\mathrm{Po}_2=60 \mathrm{~mm} \mathrm{Hg}
  4. DB - Pulmonary artery - takes blood from heart to lungs, Po2=90 mmHg\mathrm{Po}_2=90 \mathrm{~mm} \mathrm{Hg}.

Correct answer

A. C - Vena Cava - takes blood from body parts to right atrium, Pco2=45 mmHg\mathrm{Pco}_2=45 \mathrm{~mm} \mathrm{Hg}

Step-by-step solution

In the given figure: A\mathrm{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\mathrm{C} is vena cava which carries impure blood from body parts to right atrium, and D\mathrm{D} is pulmonary artery which takes impure blood from heart to lungs.
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