| A | B |
|---|
| NEURON | NERVE CELL |
| SYNAPSE | TINY SPACE BETWEEN TWO NERVES |
| BRAIN | COTROL CETER OF CENTRAL NERVOUS SYSTEM |
| SPINAL CORD | PROVIDES A LINK BETWEEN BRIAN AND REST OF THE BODY. |
| CEREBRUM | LARGEST PART THE BRIAN CONTROLS SENSES |
| CEREBELLUM | PART OF THE BRIAN THAT CONTROLS BALANCE. |
| MEDULLA | CONTROLS INVOLENTARY ACTION |
| LENS | FOCUSES LIGHT RAYS COMING INTO THE EYE. |
| SEMICIRCULAR | TINY CANAL ON THE INNER EAR |
| STIMULUS | CHANGE IN THE ENVIROMENT |
