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neonofarm [45]
3 years ago
11

Is the contraction of the heart directly controlled by the brain?

Health
1 answer:
kifflom [539]3 years ago
4 0
No. The heart Muscles contract without needing an external stimulus that’s why I heart continues to be for a time when removed from the chest the heartbeat originates in a bundle of muscle cells in the top right chamber of the heart called the Sinoatrial node.
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