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Anatomy of the Ear
To go https://www.wisc-online.com/learn/natural-science/life-science/ap1502/anatomy-of-the-ear to
complete the worksheet.
1. Label and color the following image with the terms below.
YOU WILL USE THESE TERMS TO FILL IN THE BLANKS FOR THE REMAINING QUESTIONS.
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2.
Pinna (Brown)
External Auditory
Meatus (yellow)
Tympanum (gray)
Malleus (Pink)
Incus (Purple)
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Stapes (Black)
Semicircular Canals
(light green)
Cochlea (red)
Vestibulocochlear
Nerve (blue)
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Round Window
(orange)
Tympanic Cavity
(light blue)
Eustachian Tube
(green)
Use lines and divide the ear in the image above into the following sections: Outer ear, Middle
ear and Inner ear.
3. ___________________________ use the stapedial footpedal to transfer vibrations from the
ossicles to the cochlea.
4. ___________________________ This is the part of the ear you can see with the naked eye. It
does a bad job of directing sound waves towards the external auditory canal.
5. ___________________________ equalizes air pressure on each side of the tympanic
membrane. Allows for drainage of middle ear secretions.
6. What is the function of the auditory ossicles?
7. Which shape do the following bones have?
a. Malleus bone
b. Incus bone
c. Stapes bone
8. ___________________________ funnels and amplifies sound toward the eardrum.
9. ___________________________ are the sense organs for equilibrium and balance. Hair cells
within the canals perceive balance and position in space both aid in balance and have nothing to
do with hearing.
10. ___________________________ helps with fluid motion and serves to equalize hydraulic
pressure.
11. ___________________________ vibrates due to the impact of sounds waves. Reproduces
frequency in the form of waves. Is commonly called the _______________________.
12. ___________________________ is the snail shaped sense organ for hearing. It converts stimuli
from the outside environment into nerve impulses which are integrated by the brain.
13. What are the two functions of cerumen? What is the common name for cerumen?
14. What is the function of the footplate of the stapes?
15. Which structure of the ear houses the Organ of Corti?
16. What is the purpose of the hair found in the outer ear?
17. What part of the ear is attributed to mechanical energy?
18. The ____________________ is the smallest bone in the body.