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

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

A.            SA node —> Purkinje fibres —> bundle of His —> AV node —> heart muscles

B.            SA node —> AV node —> bundle of His —> Purkinje fibres —> heart muscles

C.            AV node —> bundle of His —> SA node —> Purkinje fibres —> heart muscles

D.            AV node —> SA node —> Purkinje fibres —> bundle of His —> heart muscles

Answer: SA node —> AV node —> bundle of His —> Purkinje fibres —> heart muscles