this post was submitted on 23 Jun 2025
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[–] OldChicoAle@lemmy.world 2 points 2 weeks ago (1 children)

Wouldn't check valve be more accurate?

[–] psud@aussie.zone 5 points 2 weeks ago (1 children)

It only stops solids above a certain size, so a filter is more accurate. Check valves generally stop everything or all of a class of things, the turtle passes all liquid and some solids

Our heart valves are check valves

[–] OldChicoAle@lemmy.world 1 points 2 weeks ago (1 children)

A class of things = large solid objects like jellyfish and food?

[–] psud@aussie.zone 1 points 2 weeks ago (1 children)

Maybe, I'm no linguist or expert. Small jellyfish will go out with the water

[–] OldChicoAle@lemmy.world 1 points 2 weeks ago

I mean you're right. The idea is filtration by size exclusion but only in one direction.