Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-fingerprinting-c8f6fd49fa5b

Where are friction ridges found on the body?

Fingers, palms, and soles.

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  1. Only on the forehead
  2. Only on the elbows
  3. Fingers, palms, and soles ✔

Why: Friction ridges are on digits, palms, and soles.

Huh, didn't know that: Friction ridges are on digits, palms, and soles.

The dad joke
These ridges really get under your skin.
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References

Answer: Fingers, palms, and soles. Friction ridges are on digits, palms, and soles.

  1. Fingerprint en.wikipedia.org/wiki/Fingerprint
    A friction ridge is a raised portion of the epidermis on the digits (fingers and toes), the palm of the hand or the sole of the foot
    Checked 2026-11-07.

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