Science, asked by javeriayakoob1, 7 months ago

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

Answered by kikibuji
4

Answer:

the valve prevents the backword flow of blood.

Answered by ItzXmartySHRUTI
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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