Unit 9 functions

Question 1

Adjust amount of light

Answer 1

Eyeball

Question 2

Protect/catch foreign substances from entering the eye

Answer 2

Eye lashes

Question 3

Carry tears/fluid into nasal cavity

Answer 3

Nasolacrimal duct

Question 4

Protect internal structure

Answer 4

Sclera

Question 5

Allow light to enter the eye

Answer 5

Pupil

Question 6

Protect delicate tissue of the eye

Answer 6

Eyelids

Question 7

Produce mucin to prevent surface of eye from dehydrated

Answer 7

Conjunctive

Question 8

Bend light rays toward pupil

Answer 8

Cornea

Question 9

Produce tears to clean/lubricate, deliver nutrition/oxygen, and prevent infection

Answer 9

Lacrimal glands

Question 10

Removes waste and maintain internal chemical environment of eye

Answer 10

Aqueous humor

Question 11

Focus on near/distance objects

Answer 11

Eyeball

Question 12

Secret oil fluid to prevent eyelids from sticking

Answer 12

Tarsal glands

Question 13

Drain tears from the eye

Answer 13

Lacrimal Sacs

Question 14

Produce images and transmit to brain

Answer 14

Eyeball

Question 15

Carry tears to surface of eye

Answer 15

Lacrimal ducts

Question 16

Maintain shape of eye

Answer 16

Sclera

Question 17

Spread a layer of tears to keep eye moist

Answer 17

Eyelids

Question 18

Controls the diameter of pupil

Answer 18

Iris

Question 19

A gel like liquid that maintain shape of eye

Answer 19

Vitreous humor

Question 20

Prevent foreign substances from entering eye

Answer 20

Eyelids