General on Yik Yak | Do you ever just think about how cool eyes are? Ears, too. Like, wtf, how the hell did these things evolve to exist, they’re so complex and have such tiny parts required to function well

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General 14w

Do you ever just think about how cool eyes are? Ears, too. Like, wtf, how the hell did these things evolve to exist, they’re so complex and have such tiny parts required to function well

Anonymous 14w

your immune system would attack your eyes btw

Anonymous 13w

Eyes are just macroscopic lenses to capture ‘invisible’ particles (light waves), ones that are the most present in our atmosphere (visible light) that has always been on Earth (the Sun), evolution just did its thing to use what’s always been around to know if predators/ food is nearby. Same with ears / invisible soundwaves. My physics teacher gave a weird evolution lesson when talking about light and sound waves lol

Anonymous

#1 14w

Anonymous

#1 14w

In what context?

Anonymous

OP 14w

Idk why #1 randomly brought it up, but it’s basically bc there’s poor blood flow to stuff like your cornea, so your immune system doesn’t “learn” to recognize things in there as part of your body. If it does happen to become exposed to those parts of your eye due to like an injury, it can mount an immune response.

Anonymous

#2 14w

Huh, neat