What work does a valve in the heart or
a vein do? What is a faulty heart valve and how can it be repaired?
Answers
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4
Answer:
the valve prevents the backword flow of blood.
Answered by
1
Explanation:
A diseased or damaged valve can affect the flow of blood in two ways: .This can put extra strain on your heart, making it pump harder to force the blood past the narrowing.
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