brain 2
Terms
undefined, object
copy deck
-
neuron?
purpose? -
smallest part nervous system
-communication system of body,
high speed - how?
-
synapse: axon terminal at end,
neurotransmitter - central nervous system ->
-
-brain
-spinal chord - all or none law
- neurons either send messages or dont, fire or dont
- peripherac nervous system
-
-autonomic
-somatic (voluntary sensation) - dendrite?
- recieves messages
- sensory neurons
- from sense organs to central nervous system
- autonomic ->
-
-sympathetic (emergency)
-parasympathetic (slows down) - inter-neuron
- connect w/ other neurons
- nervous system ->
-
-central nervous system
-peripherac nervous system - axon
- sends messages to another cell
- motor neuron
- from brains to muscles