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Question and answer
Q: The valves of the heart and veins are similar in that they both _____. prevent the backflow of blood act as propellers to move blood forward prevent blood from flowing too quickly are made of rigid
cartilage
A: prevent the backflow of blood act
Expert answered|selymi|Points 8742|
Question|Rated good
Asked 8/18/2012 12:35:37 PM
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