Biology- The Sensory System Flashcards
1
Q
Sensory neuron
A
Carry messages from the sense organs to the brain
2
Q
Motor neuron
A
Carrys messages from the brain to the sense organs
3
Q
Iris
A
Coloured part, controls the amount of light that enters the eye
4
Q
The cornea
A
Transparent lair that protects the eye and allows light into the eye
5
Q
The pupil
A
A hole that gets bigger and smaller
Allows light into the eye
6
Q
Lens
A
Focuses light on the retina
7
Q
Ciliary muscle
A
Pulls and pushes and changes the shape of the lens to focus on objects
8
Q
Retina
A
A light sensitive layer of cells at the back of the eye
9
Q
Optic nerve
A
Carries messages to the brain
