How many valves do you find in the heart.What are they?
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Function if valve is to prevent back flow of blood.
Valves are mainly present in all veins.
Valves are mainly present in all veins.
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Each beat is an amazing display of strength and flexibility. The heart has 4 valves: The mitral valve and tricuspid valve, which control blood flow from the atria to the ventricles. The aortic valve and pulmonary valve, which control blood flow out of the ventricles.
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