NEET Biology question
Identify the correct statement. I. The impulse of the heart beat originates from SAN. II. Rate of the heart is determined by SAN. III. Bundle of His/AV bundle is present in the interventricular septum. IV. Atrio Ventricular Node (AVN) is situated in the lower left corner of the right auricle. Choose the correct option.
Answer: (D)
Solution
The impulse of the heartbeat does originate from the SA node (I true), which also sets the overall heart rate (II true); the bundle of His (AV bundle) genuinely runs along the interventricular septum before dividing into the Purkinje fibres (III true,
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