Eli5 how our body can feel the smallest bug/insect on our skin but not be bothered by wind or dust constantly against us?

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Or even our clothing rubbing against us doesn’t bother us but if a tiny bug lands anywhere on our body we feel it straight away

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3 Answers

Anonymous 0 Comments

Timing, two nerve sensors need to be triggered in the same area within a second for you to notice, constant nerve signals or just a lone trigger will be ignored.

Anonymous 0 Comments

Evolution: detecting bugs is important, lest they bite us, while being annoyed by the wind or clothing is counterproductive.

People suffering from autism can be very annoyed by clothing, because their sensory filters are out of whack.

Anonymous 0 Comments

> if a tiny bug lands anywhere on our body we feel it straight away

What? Have you ever been bitten by a mosquito?