. The correct route through which pulse-making impulse travels in the heart is


(a) AV node → Bundle of His → SA node → Purkinje fibres → Heart muscles

(b) AV node → SA node → Purkinje fibres → Bundle of His → Heart muscles

(c) SA node → Purkinje fibres → Bundle of His → AV node → Heart muscles

(d) SA node → AV node → Bundle of His → Purldnje fibres → Heart muscles

Best Answer

(d)

Sol.The correct route through which Pulse-making impulse travels in the heart is :

SA node → AV node → Bundle of His → Purlcinje fibres → Heart muscles.

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