answersLogoWhite

0


Best Answer

each part contracts in a specific order. Contraction of the muscle is triggered by an electrical impulse. These electrical impulses travel through specialized cells that form a conduction system. Following this pathway ensures that contractions will

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What characterizes the normal operation of the heart?
Write your answer...
Submit
Still have questions?
magnify glass
imp