| A | B |
|---|
| outer ear | the visible part of the ear; includes the ear canal |
| ear canal | the part of the ear that leads from the outside to the ear drum |
| eardrum | a thin drum-like structure inside the ear that vibrates when sound reaches it |
| hammer / *malleus | 1 of the tiny bones inside the middle ear; transfers vibrations to the anvil |
| anvil / *incus | small bone in the inner ear; transfers vibrations to the stirrup |
| stirrup / *stapes | one of the tiny bones in the middle ear; transfers vibrations to the cochlea |
| amplified | made louder |
| cochlea | canal in the inner ear that changes the vibrations into nerve impulses that are sent to the brain |
| hair cells | cells that carry the vibration caused by sounds to nerves inside the ear which send the sound message to the brain |
| electrical impulses | short pulses of electrical charge that pass along a nerve |
| auditory nerve | the main nerve that carries signals from the ear to the brain |
