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Richard M.

asked • 06/14/20

lub dub of the heart

When it comes to talking about the heart. I understand that lub means s1 and dub means s2. Next part systole is the cycle that includes s1 to s2 in that order. diastole is from s2 to s1 in that order. Correct me if I am wrong.


so my question is the relationship between s1 and s2 to the chambers when it comes to contraction and relaxing and where is the blood in each phase?

4 Answers By Expert Tutors

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Kenneth P. answered • 06/18/20

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New to Wyzant

CRNA, Navy ICU RN Veteran, years of experience tutoring

Neil G. answered • 06/14/20

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New to Wyzant

Experienced biology and chemistry teacher

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