Eyes

Question 1

Sclera:

Answer 1

Light proof fibrous tissue.

Question 2

Choroid:

Answer 2

Prevents internal reflection, supplies cells with oxygen and food, removes waste.

Question 3

Retina:

Answer 3

Light sensitive layer, contains Rods and Cones.

Question 4

Fovea (yellow spot):

Answer 4

Contains cones which work in bright light and gives us our sense of color.

Question 5

Optic nerve:

Answer 5

Carries impulses to the brain.

Question 6

Vitreous humor:

Answer 6

Jelly-like material which maintains the shape of the eye.

Question 7

Ciliary muscle:

Answer 7

Involved in focusing.

Question 8

Suspensory ligaments:

Answer 8

Involved in focusing.

Question 9

Iris:

Answer 9

Control the amount of light entering the eye.

Question 10

Pupil:

Answer 10

Hole in the iris which allows the light through.

Question 11

Cornea:

Answer 11

Transparent front part of eye where the greatest amount of refraction (bending) of light occurs.

Question 12

Lens:

Answer 12

Used to focus objects onto the retina.

Question 13

Aqueous humor:

Answer 13

Maintains the shape of the eye.

Question 14

Conjuctiva:

Answer 14

Protects the cornea.