CBSE Class 11-science Answered
Rate of conduction of impulse in conducting system of heart is fastest in :-
a) Bundle of His
b) Atrial muscles
c) A.V. Node
d) Purkinje's fibres
Asked by dipanshusingla029 | 22 Apr, 2018, 04:44: PM
Expert Answer
(d) Purkinje fibers conduct the impulses at high velocity (about 4 m/sec) throughout the ventricles.The rapid conduction through the Purkinje fibers ensures that different parts of ventricles are excited almost simultaneously that greatly increases the efficiency of heart as a pump.
Answered by Sivanand Patnaik | 22 Apr, 2018, 06:01: PM
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