Pinna→ fleshy external tissue which consists of a flap of cartilage and skin.Collects and funnelssound waves into the ear canal
Ear drum→ thin membrane between the outer and middle ear. Vibrates in response to sound.Vibration at the same frequency as a sound wave. Transfers sound vibrations to the ossicles
The ear canal→, a passage composed of bone and skin.Leadssound waves to the eardrum