Ears And Hearing (2nd)

Creator: Encyclopedia Britanica Films

Format: 16mm

Sound: sound

Description: Shows the structure and functions of the human ear, and demonstrates how the ear transmits sound waves to the brain. Describes how hearing aids and surgery may improve the hearing of some people. Many photographic techniques are used. Explains how one hears. Investigates hearing malfunctions.

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Original permalink · Record added: 2023-02-27 18:14:51