Biology - Topic 17 & 18 Flashcards
1
Q
cornea
A
gave protection, first contact of life
2
Q
pupil
A
adjusts amount of light entering eye
3
Q
iris
A
colored part of eye
4
Q
lens
A
focuses light
5
Q
ciliary muscle
A
muscle groups that open and close eyelids
6
Q
aqueous humor
A
bathes and nourishes the lens and maintains pressure within the eye
7
Q
vitreous body
A
maintains shape of the eye
8
Q
sclera
A
white part of eye
9
Q
choroid
A
supplies retina with nutrients, maintains temperature of eye
10
Q
retina
A
receives light from lens, creates signals
11
Q
fovea
A
allows sharp central vision, ex. reading, writing
12
Q
optic nerve
A
connects eye to brain and nervous system
13
Q
optic disc
A
connects retina and optic nerve
14
Q
chemoreceptors
A
detect natural changes in environment
15
Q
olfactory nerves
A
sole sensory nerve, conveys sense of smell
