Outer vs. Inner Ear: Anatomy, Functions & Key Differences

Outer Ear

* Visible portion of the ear, also known as the auricle or pinna

* Composed of cartilage and skin

* Collects sound waves and funnels them into the ear canal

Inner Ear

* Deepest part of the ear, also known as the labyrinth

* Contains sensory organs for hearing (cochlea) and balance (vestibular system)

* Converts sound waves into electrical signals that are sent to the brain

Differences between Inner and Outer Parts of Ear

* The outer ear is visible, while the inner ear is not.

* The outer ear is composed of cartilage and skin, while the inner ear is composed of bone.

* The outer ear collects sound waves and funnels them into the ear canal, while the inner ear converts sound waves into electrical signals that are sent to the brain.