Home Biology Body Fluids and Circulation Circulatory Pathways and Human Circulatory System SA node is located in
Biology Body Fluids and Circulation Circulatory Pathways and Human Circulatory System Single Correct MCQ
Published on: August 23, 2026

SA node is located in

A

Upper left corner of right atrium

B

Lower left corner of left atrium

C

Lower right corner of left atrium

D

Upper right corner of right atrium

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Text Solution

Verified by Experts
The correct answer is:
D

(d)


SA node is present in upper lateral wall of right atrium. It helps in production of electrical signal that travels through the heart, causing it to beat rhythmically.

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