why does heart make lub dub sound
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Answer:
Due to the rhythmical contractions it makes lub dub sound , besides the thick muscular walls also help .
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The lub dub sound comes because blood is pumped from the heart.
What is the function of the heart?
- The heart supplies blood to all parts of our body so that we get oxygen and nutrients
- There are two areas in the blood which is called chamber
- The blood moves from the heart to the body is called circulation
- The blood is pumped from the heart to the body and it takes less than 60 seconds
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