Q.
Choose the correct pathway on the transmission of impulse in the heart beat.
A) AV-node $\rightarrow$ SA-node $\rightarrow$ Bundle of His $\rightarrow$ Purkinje fibres
B) SA-node $\rightarrow$ AV-node $\rightarrow$ Bundle of His $\rightarrow$ Purkinje fibres
C) SA-node $\rightarrow$ Bundle of His $\rightarrow$ AV-node $\rightarrow$ Purkinje fibres
D) AV-node $\rightarrow$ Bundle of His $\rightarrow$ SA-node $\rightarrow$ Purkinje fibres
Explanation
The correct pathway of the transmission of impulses in the heart beat is SA-node $\rightarrow$ AV-node $\rightarrow$ Bundle of His $\rightarrow$ Purkinje fibres
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.