| A | B |
|---|
| regulation | te controland coordination of all life activities |
| receptors | structures that are specialized to detect stimuli |
| impulses | electrochemical message |
| effector | a muscle or gland |
| stimulus | is a change in the external or internal enviroment which initiates an impulse |
| neuron | nerve cells |
| cell body (cyton) | contains the nucleus of the neuron |
| dendrites | fibers that detect stimuli and generate an impulse toward the cyton |
| axon | a fiber that transmits te impulse away from the cyton and towards the terminal branches |
| synapse | te gap between the terminal branchesof 1 neuron and dendrites of anoter neuron |
