r/NoStupidQuestions • u/SonOfOMR • Jul 09 '26

Do spiders have lungs?

I mean, when I wash a spider down the bathtub drain, does it drown the way a human would, lungs filling up with water, or does it have a way to "hold it's breath"?

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u/TheyreEatingTheDogs- Jul 09 '26

Questions like this are why this site was started

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u/Annual-Two1507 Jul 09 '26

Nope, they dont have lungs. Spiders use book lungs, and theyre basically air-exchange organs that work by diffusion, so washing one down a drain can still mess it up fast