| A | B |
|---|
| cerebrum | part of brain that controls voluntary movement and thinking |
| cerebellum | part of brain that controls balance and coordination |
| brainstem | part of brain that controls involuntary actions |
| spinal cord | link between brain and the rest of the nerves in the body |
| axon | part of a neuron that carries an impulse away from the cell body |
| dendrite | part of a neuron that carries an impulse toward from the cell body |
| synapse | tiny gap between 2 neurons |
| neurotransmitter | chemical that transmits an impulse across the synapse |
| nerve impulse | message carried through the nervous system |
