Published by:
CGP EDU Academic Team
Published on: September 12, 2026
Identify 
and 
in given diagram & choose the correct option
A
A-Aorta, B-Vena cava, C-Vena cava, D-Sinoatrial node
B
A-Vena cava, B-Aorta, C-Atrio-ventricular node, 
-Sino-atrial node
-Sino-atrial node
C
A-Aorta, B-Vena cava, C- Sino-atrial node, D Atrio-ventricular node
D
A- Sino-atrial node, B-Atrio-ventricular node C-Aorta, D-Vena cava
Text Solution
Verified by ExpertsThe correct answer is:
C
Step 1: Identify the structures in the heart diagram.
A is the Aorta, which is the main artery that carries blood from the heart to the rest of the body.
B is the Vena Cava, which carries deoxygenated blood back to the heart.
C represents the Sino-atrial node, known as the natural pacemaker of the heart.
D is the Atrio-ventricular node, which connects the atria and ventricles of the heart.
Therefore, the correct match is Option C: A-Aorta, B-Vena cava, C-Sino-atrial node, D-Atrio-ventricular node.
A is the Aorta, which is the main artery that carries blood from the heart to the rest of the body.
B is the Vena Cava, which carries deoxygenated blood back to the heart.
C represents the Sino-atrial node, known as the natural pacemaker of the heart.
D is the Atrio-ventricular node, which connects the atria and ventricles of the heart.
Therefore, the correct match is Option C: A-Aorta, B-Vena cava, C-Sino-atrial node, D-Atrio-ventricular node.
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