| A | B |
|---|
| Regulation | control of the coordiation |
| Recepters | changes in the external and internal environment |
| Neurons | basic unit of structure |
| Effectors | muscles or glands in which neurons are attached to |
| Dendrites | l Fibers that detect stimuli and generate an impulse |
| Cyton | Known as the cell body |
| Axon | impulse away from the cyton |
| Terminal Branches | ends of axons |
| Synapse | gap between the terminal branches |
| Neurotransmitters | l Chemicals secreted by the terminal branches |
| Hydra | impulses travel in all directions across a nerve net |
