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explain contraction
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Asked 8/2/2010 10:31:40 AM
Updated 2/16/2022 1:53:09 PM
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User: what is the contraction of the heart muscle called

User: explain contraction

Weegy: Contraction of heart muscle is called premature atrial contraction.
Expert answered|flamesrb|Points 0|

User: what is relaxation of the heart muscle called

Question|Rated good
Asked 8/2/2010 10:31:40 AM
Updated 2/16/2022 1:53:09 PM
1 Answer/Comment
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The relaxation of the heart muscle is called diastole.
Added 2/16/2022 1:53:09 PM
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