The Human Ear: Structure and Function
Explore the intricate anatomy and physiology of the human ear with this comprehensive worksheet for Grade 11 science students.
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The Human Ear: Structure and Function
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Date:
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Read each question carefully and answer to the best of your ability. Refer to the diagram of the human ear as needed.
1. Label the following parts on the diagram of the human ear provided above:
a. Pinna
b. Auditory Canal
c. Eardrum (Tympanic Membrane)
d. Ossicles (Malleus, Incus, Stapes)
e. Cochlea
f. Semicircular Canals
g. Eustachian Tube
h. Auditory Nerve
2. Which part of the ear is responsible for maintaining balance?
Cochlea
Ossicles
Semicircular Canals
Eardrum
3. Sound waves are converted into mechanical vibrations by which structure?
Auditory Nerve
Cochlea
Eardrum
Eustachian Tube
4. The three tiny bones in the middle ear are collectively known as the .
5. The is a coiled, fluid-filled tube in the inner ear responsible for converting sound vibrations into electrical signals.
6. The outer ear consists of the pinna and the .
7. Describe the function of the Eustachian tube. Why is it important?
8. Explain how the ossicles amplify sound vibrations.
9. The auditory nerve transmits signals from the ear to the brain.
True
False
10. The pinna is primarily responsible for detecting the pitch of a sound.
True
False
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