I always think of it as a peristaltic pump: big tube, squeeze one side, squeeze ... | Hacker News

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		rzzzt on March 21, 2020 \| parent \| context \| favorite \| on: If the heart is a muscle, why doesn't it ever get ... I always think of it as a peristaltic pump: big tube, squeeze one side, squeeze the other to circulate blood. This paper might be of interest: "A review of selected pumping systems in nature and engineering--potential biomimetic concepts for improving displacement pumps and pulsation damping" https://www.ncbi.nlm.nih.gov/pubmed/26335744

01100011 on March 21, 2020 [–]

From the paper I was thinking of(link added to parent comment):

"the velocity of the blood in the embryonic heart lumen exceeds the speed of the peristaltic wave moving through the lumen"

which is interesting if you think of the heart as a peristaltic pump.

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