| A | B |
|---|
| Regulating | controlling or regulating all life functions |
| Receptors | specialized structures that are sensitive to change in the environment |
| Impulses | electrochemical messages |
| Effector | muscles or glands |
| stimulus | is a change in the internal or external env. which initiates an impulse |
| Neuron | are nerve cells |
| Cyton | contains nucleus |
| Dendrites | detect stimili and generate impulse towards the cyton |
| Axon | transmits impulses away from cyton and towards the terminal |
| Synapse | gap between the terminal branches of 1 neutron and the dydrates of another |
| sensory neurons | carry impulses toward the spinal cord and brain |
| Motor Neurons | carry impulses from brain toward effector |
| internuerons | relay impulses from one neuron to another |
