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Montano1993 [528]
3 years ago
5

The heart contracts twice for every heartbeat one contraction is the atrial contraction while the other is the venture true or f

alse
Biology
1 answer:
jeyben [28]3 years ago
8 0

Answer:

True. The heart contracts twice per heartbeat. One contraction is the ventricular and the other one is the artrial.

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