When we view nearby objects,

Identify the odd one and write down the common feature of others.

Malleus, Eustachian tube, Stapes, Incus

Copy the figure. Identify the parts according to the hints and label them.

a. The part where the muscles that regulate the size of the pupil are seen.

b. The chamber which is filled with vitreous humor.

c. The layer of eye where photoreceptors are seen.