Sensory - Eye

Question 1

What is the function of the pupil?

Answer 1

Opening in middle of eye where light passes

Question 2

What is the function of the iris?

Answer 2

Coloured ring adjusting light entering eye through pupil

Question 3

What is the function of the tear gland?

Answer 3

Produce tears that clean and lubricate eye - slat = natural antiseptic - defend against infection

Question 4

What is the function of the aqueous and vitreous humors?

Answer 4

Jelly-like watery fluids that fill the eye to keep it in shape and nourish it

Question 5

What is the function of the conjunctiva?

Answer 5

A thin membrane that protects cornea

Question 6

What is the function of the cornea?

Answer 6

Located at front of eye - light passes through

Convex shape

Question 7

What is the function of the retina?

Answer 7

Inner lining of the eye containing light receptor cells - rods and cones - convert light into neural messages

Question 8

What is the function of the macula?

Answer 8

Contains high amount of photoreceptor cells - detect light and send signals to brain

Question 9

What is the function of the optic nerve?

Answer 9

Where nerve cells exit eye and transfer vision info to brain = images

Question 10

What is the function of the ciliary muscle?

Answer 10

Enables lens to change shape for focusing

Question 11

What is the function of the suspensory ligaments?

Answer 11

Support eye and attach cilliary muscle to lens

Question 12

What is the function of the lens?

Answer 12

Focuses light entering eye