minus-squareRhoeri@piefed.worldtoScience Memes@mander.xyz•How about the digestive system?linkfedilinkEnglisharrow-up22·10 hours agoA straw has one hole that is open to two entrances. Like a single tunnel. We never say that a tunnel has two holes. linkfedilink
A straw has one hole that is open to two entrances. Like a single tunnel. We never say that a tunnel has two holes.