Question

the external ear of the Mammalia ​

Answer 1

Answer:

In mammals, the ear is usually described as having three parts—the outer ear, the middle ear and the inner ear. The outer ear consists of the pinna and the ear canal. Since the outer ear is the only visible portion of the ear in most animals, the word "ear" often refers to the external part alone.

Answer 2

Explanation:

It is the visible part of the ear on either side of our head. It is flap like structure, called pinna. It leads to the ear canal. The pinna is crumpled and made up of cartilage.

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