blueheeter1161 blueheeter1161

18-04-2018
Health

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

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moedlmichele moedlmichele

23-04-2018

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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