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

Question

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

In: 4

Answer 1

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.