Indicate the Characteristics Associated with Each Part of the Ear

Indicate the characteristics associated with each part of the ear using the answer code below:
a.external ear
b.middle ear
c.cochlea
d.semicircular canal
e.utricle and saccule
f.external ear and middle ear
g.cochlea, semicircular canal, utricle and saccule
h.semicircular canal, utricle and saccule
i.cochlea and semicircular canal
-Air-filled