Nerveous System Flashcards
Action or behaviour which is caused by a stimulus
Response
A change in the environment that causes a response
Stimulus
Everything an organism does - its response to all the stimuli around it
Behaviour
An automatic response made by the body conscious without thought
Involuntary
A nerve cell
Neuron
A neuron that carries nerve impulses from a receptor to the brain or spinal chord
Sensory neuron
A neuron that carries nerve impulses from the brain or spinal chord to an effector
Motor neuron
A long thin extension of the cytoplasm of a neurone, carries nerve impulses very quickly
Axon
In mammals the brain and spinal chord
Central nervous system
The network of nerves connecting the central nervous system to the rest of the body
Peripheral nervous system
A neurone pathway that brings about a reflex response it involves a sensory neurone, connecting neurones in the brain or spinal chord and a motor neurone
Reflex arc
