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7 Cards in this Set

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  • Back
STIMULUS
ANY CHANGE IN THE ENVIRONMENT THAT CAUSES AN ORGANISM TO REACT
HOMEOSTASIS
THE PROCESS IN WHICH YOU BODYS INTERNAL ENVIRONMENT IS KEPT STABLE DESPITE CHANGES IN ITS EXTERNAL ENVIRONMENT
3 FUNCTIONS OF THE NERVOUS SYSTEM
1) TO RECIEVE INFO. ABOUT WHATS HAPPENING INSIDE AND OUTSIDE THE BODY 2) TO DIRECT HOW THE BODY RESPONDS TO INFO. 3) TO HELP MAINTAIN HOMEOSTASIS
SENSORY NEURON
PICKS UP STIMULI FROM EXTERNAL/INTENAL ENVIRONMENT & CHANGES IT INTO A NERVE IMPULSE
INTERNEURON
CARRIES NERVE IMPULSES FROM ONE NEURON TO ANOTHER
MOTOR NEURON
SENDS IMPULSES TO A MUSCLE AND IT CONTRACTS, OR TO A GLAND
SYNAPSE
THE GAP BETWEEN THE TIP OF AN AXON AND THE NEXT STRUCTURE