special senses

What function do the orbits, eye lashes, and lacrimal glands all have in common?

• Nutrition
• Lubrication
• Protection
• Excretion

When you cry and your nose runs, what fluid is coming through your nose?

• Tears
• Cerebrospinal fluid
• Aqueous humor
• Mucus

What part of the eye is actually a mucous membrane?

• Sclera
• Cornea
• Choroid coat
• Conjunctiva

When a person looks at an image, light rays pass through the eye and focus on the:

• Pupil
• Retina
• Optic nerve
• Lens

Where would you find cerumen?

• Eustachian tube
• External auditory canal
• Semicircular canals
• Cochlea

What organ of the inner ear is NOT involved in hearing?

• Vestibule
• Cochlea
• Organ of Corti
• Semicircular canals

The outermost layer of the eye is the ?

• conjuctiva
• sclera
• retina
• choroid coat

The circular, transparent part on the front of the sclera that allows light rays to enter the eye is the 

• pupil
• iris
• cornea
• conjunctiva

What is detected by chemoreceptors?

• tastes

• sounds

• odors

• both a and c

The hammer, anvil, and stirrup are parts of the ____.

• inner ear

• balance system

• middle ear

• outer ear