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Your fingertips can feel if something is soft, rough, or warm.
Touch is correct — your fingertips are covered in tiny sensors in your skin that detect softness, roughness, and temperature, then send that information racing to your brain.
Hearing comes from your ears picking up sound waves, and smell comes from your nose detecting tiny particles in the air — neither involves your skin feeling textures or warmth.
Fingertips are extra sensitive because they're packed with far more of these tiny touch sensors than most other body parts, part of why reading Braille with your fingers works so well for people who are blind.
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