Sences And Nerve System Flashcards
0
Q
Stimulus
A
A stimulus is something that causes a response e.g.
1
Q
Sensitivity
A
Detecting and responding to a stimulus
2
Q
Lens
A
Focuses the light onto the retina
3
Q
Iris
A
Controls the amount Of light entering the eye
4
Q
Cornea
A
Allows light through
5
Q
Pupil
A
The hole that allows light through
6
Q
Ciliary muscle
A
Changes the shape of the lens for focusing
7
Q
Retina
A
Contains the light sensitive cells
8
Q
Optic nerve
A
Carries messages to the brain
9
Q
Nervous system
A
Brain, spinal cord, all he nerves
10
Q
Sensory nerve
A
Sends a message to the brain from the sense organ.
11
Q
Mother nerve
A
Sends a message from the brain to a muscle
