Ques. The correct route through which pulse-makingimpulse 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:B
Ques. The correct route through which pulse-makingimpulse 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.