Ears and Hearing

What are the three sections of the ear?

• Outer ear, middle ear, and inner ear

• Front ear, back ear, and side ear

• Top ear, bottom ear, and middle ear

• Left ear, right ear, and center ear

What is the main job of the pinna?

• To gather sounds and funnel them to the ear canal

• To protect the ear from infections

• To help you balance

• To change vibrations into nerve signals

Which part of the ear turns sound waves into vibrations?

• Eardrum

• Cochlea

• Semicircular canals

• Pinna

What are the three bones in the middle ear called?

• Malleus, incus, and stapes

• Hammer, anvil, and stirrup

• Outer, middle, and inner

• Cochlea, vestibular, and auditory

What is the function of the Eustachian tube?

• To balance the pressure on both sides of the eardrum

• To collect sounds and funnel them to the ear canal

• To change vibrations into nerve signals

• To help you balance

What does the cochlea do?

• Changes vibrations from the middle ear into nerve signals

• Helps you balance

• Collects sounds and sends them to the brain

• Protects the ear from infections

What do the semicircular canals do?

• Help you balance

• Turn sound waves into vibrations

• Collect sounds and send them to the brain

• Protect the ear from infections

What happens when the fluid in the semicircular canals continues to slosh around?

• You feel dizzy

• You can't hear properly

• You lose your sense of balance

• You feel a popping sensation in your ears

What is the name of the nerve that carries sound information to the brain?

• Cochlear nerve

• Vestibular nerve

• Eustachian nerve

• Auditory nerve

How can you keep your ears healthy?

• Don't stick things like cotton swabs and fingernails into them

• Turn down the volume on video games and portable music players

• Wear hearing protection in loud environments

• All of the above