1. What are the three main parts of the human ear?
the outer ear, the middle ear, and the inner ear
2. auricle-the fleshy part of the outer ear
eardrum-thin membrane separating the outer ear from the middle ear
cochlea-a snail-shaped organ which contains the actual organ of hearing
auditory nerve-the nerve that carries the message of sound to the brain
3. Snakes do not have eardrums. How do sound waves get to their inner ears?
through the bones in their skulls
4. What is the only class of animals which has auricles?
mammals
5.
1. auditory canal
2. auricle
3. stirrup
4. eardrum
5. anvil
6. hammer
7. cochlea
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