# Which part of the ear translates waves into mechanical vibrations?
a. External ear.
b. Middle ear.
c. Inner ear.
d. Olfactory organ.
The correct answer is B. Middle ear.
The external ear receives sound waves. The middle ear translates waves into mechanical vibrations. The internal ear receives the vibrations and changes them into specific impulses that are
transmitted by the acoustic nerve to the brain. The olfactory organ is located in the olfactory epithelium.
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