Choose the One Most Appropriate Answer for Each

Choose the one most appropriate answer for each.
-iris

A) relays action potentials from the ear to the brain
B) contains the organ of Corti
C) separates the outer and middle ears
D) membrane-covered gateway to inner ear
E) consists of tissue containing rods and cones
F) bone in middle ear
G) defined by peak height and valley depth of sound waves
H) helps maintain balance and position; detects acceleration
I) depends on the number of wave cycles per second
J) a substance that elicits a response in members of the same species
K) regulates size of pupil and amount of incoming light