The part of the ear indicated is a. tympanic membrane b. auditory tube c. semicircular canals d. vestibule e. cochlea 10. Contraction of the ciliary body muscle allows for focusing on a. near objects b. far objects 11. The vitreous humor a. is thick and viscous. BOTH a and b d. Cranial nerve II is known as the a. optic nerve b. trigeminal nerve c. hypoglossal nerve d. occulomotor nerve e. facial nerve 15.
Color vision is possible by means of a. rods b.
Rods are responsible for a. color and night vision b. black and white and peripheral vision c. visual acuity and color vision d. catching fish 18. BOTH a and b d. BOTH a and b d. The middle ear a. contains the cochlea b. communicates with the pharynx by means of the Eustachian tube. BOTH a and b d.