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An abnormal human hand with five digits

A finger is a body part that sticks out from the hand. Each person normally has four fingers and one thumb on each hand.

Fingers and thumbs are types of digits. Sometimes the thumb is called a finger, but it is only made of 2 bones, instead of 3, so it is different from a finger. It is more correct to say that the hand has five digits:

  • one thumb
  • four fingers