Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
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
|
