Eye and Brain

Question 1

watery fluid between cornea and iris

minor shape, nourishes because fluid is recycled

Answer 1

aqueous humor

Question 2

hole in center of iris, light passes through

size changes with amount of light available

Answer 2

pupil

Question 3

changes with amount of refraction

accommodation-concave/convex-changes shape to focus light on retina in one spot

Answer 3

lens

Question 4

think, jelly-like fluid in posterior cavity that supports eye shape, holds retina in place, and is not recycled

Answer 4

vitreous humor

Question 5

changes in light=impulses
like a wet piece of paper
image-smaller, upside down backwards
photoreceptors-rods-black and white,comes-color

Answer 5

retina

Question 6

impulse leaves eye

Answer 6

optic nerve

Question 7

when impulses cross (X)

Answer 7

optic chiasma

Question 8

leads from chiasma to…

Answer 8

optic tract

Question 9

relay switch for sensory impulses

Answer 9

thalamus

Question 10

interprets signal

larger and right side up (and not reversed)

Answer 10

occipital lobe of cerebral cortex

Question 11

static, transparent,” window of the eye”

Answer 11

cornea