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Physics, 07.10.2020 23:01 laneycasey9058
The valves of the heart and veins are similar in that they both:
A.) Prevent blood from flowing too quickly.
B.) Are made of rigid cartilage.
C.) Prevent backflow of blood.
D.) Act as propellers to move blood forward.
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The valves of the heart and veins are similar in that they both:
A.) Prevent blood from flowing too...
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