The pacemaker in the heart is called:
Correct answer: A. Sino-atrial Node (SAN)
- A. Sino-atrial Node (SAN)
- B. Atrioventricular Node (AVN)
- C. Purkinje Fibres
- D. Papillary Muscle.
Explanation
Therefore, the correct answer is B) atrio-ventricular node (AVN), as it is responsible for transmitting the electrical signals from the atria to the ventricles, allowing for coordinated contractions of the heart chambers.
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