The senses Flashcards
1
Q
Conjunctiva
A
Protects sclera
2
Q
Sclera
A
Holds in eye in shape
3
Q
Cornea
A
Let’s light into eye
4
Q
Choroid
A
Absorbs light in the eye
5
Q
Retina
A
Light acceptors
Cons and rods
6
Q
Cons
A
6 million in eye
Detect colours
Work in bright light
Mostly @fovea
7
Q
Rods
A
120 million in eye
Detects black and white
Works in dim light
All over retina
8
Q
Fovea
A
Region is sharpest vision
Images are focused
9
Q
Blind spot
A
No rods/cones
Not sensitive to light
10
Q
Optic nerve
A
Carries impulses to brain
Cerebum
11
Q
Lens
A
Changes shape to focus light on retina
12
Q
Ciliary muscle
A
Causes lens to change depending on what looking at
13
Q
Accommodation
A
Changing of the lends depending on what one is focusing on
14
Q
Iris
A
Controls Amount of light entering the eye
15
Q
Aqueous humour
A
Salt solution holds front eye in place
