Science, asked by sam96, 1 year ago

what are heart sounds? how are they produced?

Answers

Answered by lohithanaidu

Lub,dub are the heart sounds.These are produced due to the relaxation and contraction of the auricles and ventricles present in the heart.

Answered by Anonymous

lub dub is d sound of d heart. it is produced when d rhythmic contraction n relaxation of atrium n ventricle

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