Please help me it’s a test
Question 2

Arrange these elements of the intrinsic conduction system in the order that a depolarizing impulse travels during a normal heartbeat. rank from first to last. do not overlap any tiles. view available hint(s) reset av nodeav bundleinternodal pathwaysbundle branchessa nodepurkinje fibers

Ineed to know why d is the correct answer asap

As a small change in a person's dna can cause a genetic disorder