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Use the diagram to answer the question.

Use the diagram to answer the question.
asked 130k views
2 votes
Use the diagram to answer the question.

Use the diagram to answer the question.-example-1
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User Henri Kerola
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8.1k points

1 Answer

6 votes

Answer:

B. Heart valves allow the blood to flow in only one direction so the blood does not backflow.

answered
User Godders
by
8.1k points
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