| A | B |
|---|
| central nervous system | a division of the bervous system that consists of the brain and spinal cord |
| peripheral nervous system | division of the nervous system that consists of all the nerves located outside of the central nervous system |
| brain | organ of the central nervous system that controls most functions in the body |
| spinal cord | the thick column of nerve tissue that links the brain to most of the nerves of the peripheral nervous system |
| cerebrum | the part of the brain that controls thinking and memory |
| cerebellum | the part of the brain that coordinates the actions of your muscles and helps you balance |
| brainstem | the part of the brain that controls your body's involuntary actions such as your heartbeat and breathing |
| somatic nervous system | division of the Peripheral Nervous System that controls voluntary actions |
| autonomic nervous system | the division of the Peripheral Nervous System that controls involuntary actions |
| reflex | an automatic respons that happens very quickly without control |
