Multiple choice

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

  1. AV node--------Bundle of HIS---------SA node----------Purkinje fibres---------------Heart muscles

  2. AV node-------- SA node ------------- Purkinje fibres----------- Bundle of HIS--------- Heart muscles

  3. SA node------- AV node ---------------Bundle of HIS------------- Purkinje fibres-------------------Heart muscles

  4. SA node -------- Purkinje fibres--------------Bundle of HIS----------AV node--------------- Heart muscles
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct sequence.

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