B6 Brief Notes

B6 – Brain and Mind

• The nervous system detects and reacts to stimuli
• The central nervous system (CNS) coordinates the response
• Information is transmitted around the body by neurones
• The gap between two neurones is called a synapse
• Some drugs affect transmission across synapses
• Reflexes are involuntary responses
• The reflex arc goes through the central nervous system
• Simple…