Class 11 NEET Biology Body Fluids and Circulation

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Question : 84 of 107

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

(1995)

SA node → Purkinje fibres → bundle of His square‌AV node → heart muscles
SA node → AV node → bundle of His → Purkinje fibres → heart muscles
AV node → bundle of His → SA node → Purkinje fibres → heart muscles
AV node → SA node → Purkinje fibres → bundle of His → heart muscles

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