Parts of the Ear - Hearing Sounds

Question 1

Pinna

Answer 1

The outer ear - the Pinna receives sound waves.

Question 2

Auditory canal

Answer 2

Sound waves are channeled through the auditory canal, and pass through to the ear drum. It is part of the middle ear.

Question 3

Ear Drum

Answer 3

Sound waves are directed at the eardrum. The eardrum makes the three smallest bones in the body (the ossicles) vibrate.

Question 4

Hammer, Anvil, Stirrup

Answer 4

The ossicles (3 smallest bones in the body) are the hammer, anvil, and stirrup. The bones vibrate, and send the vibrations to the cochlea. They are REALLY important, because they amplify sound.

Question 5

Cochlea

Answer 5

The cochlea turns the sound waves into electrical signals/waves. The cochlea contains liquid, which moves in response to the vibrations.

Question 6

Auditory nerves

Answer 6

The auditory nerves is a bundle of nerve fibres, which carries signals to the brain. They are important for balance.

Question 7

Semicircular canals

Answer 7

Important for the balance of sound.

Question 8

Eustachian tube

Answer 8

A small passageway which connects the throat, ear, and nose. It is important for controlling pressure.

Question 9

How does sound travel? (through the ear)

Answer 9

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Question 10

Oval window

Answer 10

The oval window, is a membrane opening from the middle ear, to the cochlea (inner ear). Vibrations which travel through here come from the ossicles - 3 bones.