What is the Central Nervous system made up of?

How is information from the brain communicated to the rest of your body?

Which cells detect changes in the environment?

What is a change in the environment called?

Which neuron takes the information containing instructions in how to respond, in the form of electrical impulses, to the effector?

Where are receptors found?

Which neuron takes the information detected by receptors, in the form of electrical impulses, to the CNS?

Which neuron is found in the CNS?

Which neuron takes the information containing instructions in how to respond, in the form of electrical impulses, to the effector?

What is an effector?

When an electrical impulse reaches the gland, what does it do?

When an electrical impulse reaches the muscle, what does it do?

Which of the following best describes the action of the neurones?