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200
What is the purpose of the tiny hairs in the cochlea?
a. to amplify sound
b. to maintain balance
c. to protect the inner ear
The purpose of the tiny hairs in the cochlea is b. to maintain balance.
200
True or False: Mammals are the only animals with outer ears.
True, mammals are the only animals with outer ears.
200
What is the outer ear made of?
The outer ear is made of cartilage.
200
What happens when any part of the hearing system is not working properly?
When the hearing system is not working, people are hard of hearing or deaf.
200
Riddle: "We are located near your eyes. There are two of us. My twin hangs out on the opposite side of your head. We both hate the sound of sirens. What are we?"
We are ears.
300
The snail-shaped coiled bony tube is called the . . .
a. eustachian tube
b. cochlea
c. auditory nerve
The b. cochlea is a snail-shaped coiled bony tube.
300
The two parts of the inner ear are:
a. cochlea and auditory nerve
b. cochlea and optic nerve
c. cochlea and spinal cord
The two parts of the inner ear are
a. cochlea and auditory nerve
300
What is the job of the auditory nerve?
a. send sound information to the brain
b. to balance the body
c. to protect the inner ear
The job of the auditory nerve is to a. send sound information to the brain.
300
What is the correct order in which hearing works?
a. outer ear, cochlea, auditory nerve, eardrum
b. outer ear, eardrum, cochlea, auditory nerve
B. outer ear, eardrum, cochlea, and auditory nerve is the correct order of hearing.
300
Besides hearing, what is another important job of the inner ear?
a. to maintain balance
b. to protect the eardrum
c. to transmit sound
Another job of the inner ear is a. to maintain balance.
400
What is the thin membrane, or thin skin flap, at the end of the ear canal called?
The thin membrane is called the eardrum.
400
What is the purpose of the eardrum?
a. to protect the inner ear
b. to maintain balance
c. to turn sound waves into vibrations
The purpose of the eardrum is to c. turn sound waves into vibrations.
400
When the eardrum vibrates, it moves the hammer, anvil, and stirrup. What are they?
a. nerves
b. blood vessels
c. tiny bones
The hammer, anvil, and stirrup are c. tiny bones.
400
Which ear bone is the smallest and no bigger than a grain of rice?
a. hammer
b. anvil
c. stirrup
The smallest ear bone is the c. stirrup.
400
How does your body keep even air pressure on each side of your eardrum?
a. by your earlobe
b. by your three ear bones
c. by a tube connected to your throat
Air pressure is kept even by c. a tube connected to your throat.
500
What are the 3 sections of your ear?
a. eardrum, ossicles, semicircular canals
b. outer ear, middle ear, inner ear
c. external ear, auditory canal, cochlea
The 3 sections of your ear our b. outer ear, middle ear, inner ear
500
The outer earflap is called:
a. pincher
b. eardrum
c. pinna
The outer earflap is called pinna.
500
The bottom of the earflap or pinna is called the. . .
a. earlobe
b. eartragus
c. earhalf
The bottom of the earflap or pinna is called the a. earlobe.
500
What is the function of your outer ear?
a. to maintain balance
b. to increase blood flow to the ear canal
c. to capture sound in the ear canal
The function of the outer ear is to c. capture sound in the ear canal.
500
What is the purpose of earwax in the ear canal?
a. to help make sounds clear
b. to keep dirt and germs away
c. to help with blood circulation
Earwax b. keeps dirt and germs away.
