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adelina 88 [10]
3 years ago
8

Why is the Sinoatrial (SA) node so important in the electrical activity of the heart?

Health
1 answer:
Amiraneli [1.4K]3 years ago
4 0

Answer:

Because the rate of the cells will send out electrical signals which will determine your heart rate

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Football has impacted our society in many ways. Some of them being good ways, and some of them being bad.

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