Verified Answer :

Yes our heart has an electrical system (3 parts):
- the sinoatrial sytem
- the atrioventricular system
- the His-Purkinje system

~ I hope this helps!

To answer your question no matter how cool it is don't go crazy!
WE DO HAVE ACTUALLY 3 ELECTRICAL PARTS TO OUR BODY 
you should check out the skeletal project this is how I know we have 3 electrical parts in our heart they all connect to the cargo bones

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