| A | B |
|---|
| structures of the Central Nervous System | brain and spinal cord |
| functions of the Central Nervous System | control center of the entire body |
| structures of the Peripheral Nervous System | all the nerves except those in the central nervous system |
| functions of the Peripheral Nervous System | gather info from the body and send it to the CNS (central nervous system) |
| reflex | a response that happens automatically, without conscious thought |
| brain | located in the skull, controls most functions of the body |
| spinal cord | thick column of nervous tissue that links the brain to the body (peripheral nervous system) |
| cerebrum | largest part of the brain; the part a bike helmet covers |
| cerebellum | second largest part of brain- controls balance and coordination |
| brain stem | base of brain- controls automatic actions, such as breathing, heartrate |
| somatic nervous system | part of the peripheral nervous system- controls voluntary actions |
| autonomic nervous system | part of the peripheral nervous system- controls involuntary actions, such as pupil contraction in bright light |
| concussion | bruise-like injury of the brain (caused by hitting the head on something, which is why we wear helmets in football, baseball, biking, etc) |
| functions of the cerebrum | memory, learning, thoughts, controls movement, sight, hearing, touch, smell, etc |
| spinal cord injury | when the nerves in the spinal cord are cut or crushed, usually causing paralysis |
| paralysis | inability to move (not able to move) |
