What is a stimulus?
A stem of a plant.
A source of energy.
A type of cell in the brain.
Something that can happen that causes a reaction.
A muscle.
What is in the nervous system?
Nerves.
The spinal cord and nerves.
The brain and nerves.
The brain, spinal cord and nerves.
What are the two types of light receptor cells?
Cone and Rod cells.
Relay and Motor Neurones.
Where are the light receptor cells?
On our skin.
Our eye.
Our face.
Which diseases affect nerves in humans?
Motor Neurone Disease
Cancer
Cerebal Palsy
Bell's Palsy
Multiple Sclerosis
Parkinson's Disease
Leprosy
