In humans, the muscles responsible for moving the outer visible part of the ear, the
pinna, are considered to be vestigial structures.

Name: In humans, the muscles responsible for moving the outer visible part of the ear, the pinna, are considered to be vestigial structures.
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Question

In humans, the muscles responsible for moving the outer visible part of the ear, the
 pinna, are considered to be vestigial structures.

Quizplus · Accepted Answer

These muscles are considered vestigial because, for most people, they no longer serve the function of significantly moving the ear for hearing purposes as they might in other animals.

In Humans, the Muscles Responsible for Moving the Outer Visible