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5.2 Human Nervous System - Coggle Diagram
5.2 Human Nervous System
Brain
Investigation and treatment
Difficulties
Complex
Delicate
Membranes prevent some drugs from reaching the brain
Methods
MRI
Electrical stimulation
Studying patients with brain damage (comparison of symptoms)
Function
Reflex arc
Subconscious
Importance
Protection
Fast, automatic
Sensory neurone
Synapse
Relay neurone
Synapse
Motor neurone
Transmits impulse to effector
Transmits signal from sensory tomotor neurone
Detects stimulus
Allow reaction to surroundings and the coordination of actions
Transmission
Via neurones
Receptors
Detects stimulus
Carry out a response
Effectors (glands and muscles)
Coordinator
Central nervous systems (brain and spinal cord)