The central nervous system Flashcards
The receptor cell responds to a
Stimulus
What stimulus is the eye for
Light
What allows humans to react to there environment
The nervous system
The …..…………… processes the information from the receptors
Central nervous system
The …..…………… carry information from and to the CNS
Peripheral nervous system
Nerve cells are also called
Neurones
The nerve cells carry …..…………… around the body
Electrical impulses
Nerve cells have a long fibre insulated by a
Fatty sheath
Nerve cells have …..…………… which branch out further as dendrites
Dendrons
What’s the stimulus for skin
Touch temperature
An effected is the thing that
Reacts to the stimulus like a muscle contracting to move a part of the body of something hot
In a reflex action what comes after the receptor
Sensory neurone
What comes after the sensory neurone
Relay neurone
After the relay neurone comes the
Motor neurone
A reflex action …..……………. Involve the brain
Does not
