A) The internal ear receives sound waves and directs them to the ear drum.
B) The membranous canals are suspended in the endolymph of the bony canals.
C) The ear ossicles increase the efficiency of transmission of sound waves to the inner ear.
D) The malleus is attached to the oval window and the stapes is attached to the temporal membrane of the cochlea.
Correct Answer: C
Solution :
[c] The external ear (pinna) collects sound waves and directs them to the ear drum. The membranous canals are suspended in the perilymph of the bony canals. The malleus is attached to the tympanic membrane and the stapes is attached to the oval window of the cochlea.
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