Where can friction ridge skin be found on the human body?

Friction ridge skin is characterized by its unique patterns of ridges and grooves that help enhance grip and tactile perception. This specialized skin is primarily found on the hands and feet. The correct answer highlights two key areas where friction ridge skin is located: the fingers and the palms of the hands.

Friction ridge skin along the lengths of the fingers refers to the skin that creates fingerprint patterns, which remain consistent for individuals throughout their lives. This is crucial for identification purposes in forensic science and law enforcement.

While the option mentioning the palmar surfaces of the hand is also relevant, the mention of the fingers specifically addresses the presence of friction ridge skin there. Hence, the answer accurately reflects a primary location for this type of skin, central to both functional aspects (like grip) and forensic identification. The other options do not pertain to locations where friction ridge skin is found.