Talk:Heart Is Not the Pump

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Revision as of 15:47, 31 July 2019 by Eric (talk | contribs) (Added some thoughts of mine)

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Then what is the cardiac muscle for, also why have 4 valves and not 1 in the heart then? Seems questionable at best.

--Eric (talk) (15:47), (31) (July) (2019) (UTC)

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