Speed of conduction is fastest in-: (A) AV node, (B) SA node, (C) Bundle of His, (D) Purkinje system
Answer is D. Ans. is 'd' i.e., Purkinje system Cardiac tissueConduction velocity (meter/second)SA node0 [?] 05Inteatrial pathways1Atrial muscle0 [?] 30AV node0 [?] 05 (minimum)Bundle of His1Purkinje system4 (maximum)Ventricular muscle1