SA node is the pacemaker of the heart.
Back to NEET UG 2023 Human Physiology
NEET UG 2023 — Biology Human Physiology
easy
mcq
2023
Official previous-year question
Verified 30 May 2026.
Question
The pacemaker of the heart is
Options
- AAV node
- BSA node
- CBundle of His
- DPurkinje fibers
Solution
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