this post was submitted on 01 Dec 2024
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Science Memes

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Shape of the Heart (mander.xyz)
submitted 3 weeks ago by [email protected] to c/[email protected]
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[–] [email protected] 9 points 3 weeks ago (1 children)

Not that I want to unroll it, but why did it "roll" up in the first place? It seems so tightly wound compared to, like, the intestines or something. Just curious.

[–] [email protected] 10 points 3 weeks ago (1 children)

To save space

[–] [email protected] 16 points 3 weeks ago

And maybe to share muscle power between different phases of the stroke. Two muscles that evolved to pump different chambers could both work on the same chamber when they’re folded over one another. Allow them to transfer force between the layers.