Question
State one function of each of the following parts of a mammalian ear.
a) Pinna
b) Tympanic membrane
c) Vestibule
a) Pinna
b) Tympanic membrane
c) Vestibule
Answer
a) Pinna: It collects and concentrates sound waves to the auditory meatus.
b) Tympanic membrane: thin tough membrane that transforms sound waves into vibrations.
c) Vestibule
i) Consists of utriculus & Sacculus that have sensory cells.
ii) Maintains body balance & posture in relation to gravity.
b) Tympanic membrane: thin tough membrane that transforms sound waves into vibrations.
c) Vestibule
i) Consists of utriculus & Sacculus that have sensory cells.
ii) Maintains body balance & posture in relation to gravity.