2. [1pt] Match the part of the human ear with its function in the ear. (Answer s

Question

2. [1pt]
Match the part of the human ear with its function in the ear. (Answer should be in form e.g. DC..BF and letters may be repeated.)

1) The Pinna.      A. Their stimulation sends neural impluses to the brain.
2) The Organ of Corti.      B. Allows normal air pressure on both sides of the tympanic membrane.
3) Eustachian Tube.      C. Performs a frequency analysis of sound where location along the membrane is correlated with the sound frequency.
4) The Oval Window.      D. Allows the stapes to transmit vibrations into the cochlea.
5) The Ossicles.      E. Contains the hair cells and their connections to the auditory nerves.
6) The Basilar Membrane.      F. Transmit and amplify the motion of the tympanic membrane to the cochlea.
7) Hair Cells.      G. Collects sound and directs it into the auditory canal.

Explanation / Answer

1 The Pinna G Collects sound and directs it into the auditory canal.

2 The Organ of Corti. C. Performs a frequency analysis of sound where location along the membrane is correlated with the sound frequency.

3 Eustachian Tube(.B ) Allows normal air pressure on both sides of the tympanic membrane.

4) The Oval Window D. Allows the stapes to transmit vibrations into the cochlea.

5) The Ossicles   D. Allows the stapes to transmit vibrations into the cochlea.

6) The Basilar Membrane. F. Transmit and amplify the motion of the tympanic membrane to the cochlea.

7) Hair Cells.F. Transmit and amplify the motion of the tympanic membrane to the cochlea.

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