Inner Ear
Outer Ear
Path of Sound
100
What is the Spiral Organ?

The receptor organ for hearing.

100

What is the Auricle made of?

Cartilage

100
What structure of the outer ear do sound waves get directed to?

The Ear Canal

200

What is the function of the tectorial membrane?

Transforming sound into mechanical stimulation.

200

How long is the ear canal?

2.5 cm

200

True or False: Sound waves vibrate all three of the auditory ossicles.

True

300

What part of the inner ear is located below the cochlear duct and terminates at the round window?

Scala Tympani

300

Which bone of the middle ear is attached to the eardrum?

The Malleus
300

What is the typical hearing range?

20-20,000 Hz (vibrations per second)

400

What is the name of the membrane covered opening between the inner ear and the middle ear?

Round Window

400

What are the bones of the middle/outer ear called

Auditory Ossicles

400

What is the range of greatest sensitivity?

2,000-3,000 vibrations per second

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