• Receive sensory information.

• Process the information it receives (integration).

• Respond with motor output.

1.1 Describe the structure of the central nervous system, sensory, connector and motor neurons.  

1.2 Explain the role of sensory and motor neurones in a reflex arc.

1.3 Explain the mechanism of transmission of an impulse along a neurone.   

1.4 Measure reaction times and evaluate the results.  

1.5 Explain the effects of one of the following on the transmission of nerve impulses: caffeine, nicotine, amphetamines or cocaine.  

2. Understand the autonomic nervous system.  

2.1 Compare voluntary and reflex actions and explain the role of the autonomic nervous system.   

3. Understand the effects a disorder can have on the nervous system.

3.1 Explain the effect of a disorder of the nervous system.