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Vikentia [17]
3 years ago
10

Unidirectional flow in the heart is ensured because the heart contains ___________.

Biology
1 answer:
jekas [21]3 years ago
3 0
<span>Unidirectional flow in the heart is ensured because the heart contains valves that prevent backflow.

These valves keep the flow of the heart going in one direction (hence the name "unidirectional").</span>
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