The Sensory System Flashcards
1
Q
Name the functions of the parts of the eye
A
Iris Pupil Lens Retina Optic nerve Cornea Ciliary muscle
2
Q
Iris
A
Controls the amount of light entering the eye
3
Q
Pupil
A
Let’s light into the eye
4
Q
Lens
A
Focuses light on the retina
5
Q
Retina
A
Absorbs light to allow us to see
6
Q
Optic nerve
A
Carries messages from the eye to the brain
7
Q
Cornea
A
Allows light to enter the front of the eye
8
Q
Ciliary muscle
A
Changes shape of lens
9
Q
The sensory system
A
Makes us aware of our surroundings and allows us to respond
10
Q
The stimulus
A
Anything around us that causes us to take an action.
11
Q
The central nervous system
A
Is made up of the brain and spinal cord
12
Q
The brain
A
Decides how to respond to the stimulus
13
Q
Sensory nerves
A
Carry messages from sense organs to the brain
14
Q
Motor nerves
A
Carry messages from the brain to the muscles
15
Q
Response
A
An action we take
