2ugly2live comments on Shape of the Heart

Shape of the Heart (mander.xyz)

submitted 2 years ago by fossilesque@mander.xyz to c/science_memes@mander.xyz

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[–] 2ugly2live@lemmy.world 9 points 2 years ago (2 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.

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[–] infinite_ass@leminal.space 10 points 2 years ago (1 child)

To save space

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[–] intensely_human@lemm.ee 16 points 2 years 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.

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