What is the automaticity of the heart?

The heart muscle has a special property – automaticity. If the heart is removed from the chest, it continues to contract for a while, having no connection with the body. The impulses that make the heart beat rhythmically occur in small groups of muscle cells called knots of automation. The main node of automation is located in the muscle of the right atrium, it is he who sets the rhythm of the heartbeat.

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