this post was submitted on 04 Jul 2024
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Science Memes

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They did the math. (mander.xyz)
submitted 4 months ago by [email protected] to c/[email protected]
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[–] roguetrick 16 points 4 months ago* (last edited 4 months ago) (1 children)

Maybe not projectile vomit but they absolutely could reverse peristalsis just like any vertebrate. Giraffes chew their cud while upright after all. Peristalsis is agnostic to how high it's pumping, since there is no functional loss in strength.

Edit: https://www.shutterstock.com/video/clip-1234348-watch-cud-ball-travel-down-giraffe's-neck

[–] Gordon 7 points 4 months ago (1 children)

they absolutely could reverse peristalsis just like any vertebrate.

AFAIK Horses cannot vomit, and I also was told that mice and rats cannot vomit.

[–] roguetrick 7 points 4 months ago (1 children)

What I'm describing isn't actual vomiting either, but more like regurgitating. Rodents can do that, though horses can't (because they can't even belch, they've got a one way valve).

Ruminants like sheep and giraffes also don't externally vomit but they do internally vomit which makes stuff change chambers in their stomach.

[–] Trail 7 points 4 months ago (1 children)

Somehow the last part seems worse than vomiting. I know it isn't, but eeww.

[–] [email protected] 2 points 4 months ago

Internal vomitting is when it comes out of your nose?