| A | B |
|---|
| neurons | nerve cells, sensory and motor |
| cell body | nucleus and cell membrane |
| dendrites | receive and carry impulses toward the cell body |
| axons | carries impulses away from the cell body |
| myelin | coating or sheath around the axon |
| CNS | central nervous system |
| PNS | peripheral nervous system |
| spinal cord | cylinder of nerve tissue that is a downward extension of the brain |
| spinal meninges | covering of the spinal cord |
| cerebrum | largest part of brain, intelligence |
| cerebellum | posture, balance, coordinating skeletal muscle movement |
| brain stem | connects spinal cord to brain |
| frontal lobe | voluntary movements, intellect, personality |
| parietal lobe | sensory information |
| occipital lobe | sense of vision |
| temporal lobe | senses of hearing, smell, memory, thought, judgment |
| autonomic nervous system | sympathetic and parasympathetic |
| sympathetic nervous system | "fight or flight" response |
| parasympathetic nervous system | returns the body to normal after a stressor |
| somatic nervous system | voluntary responses to skeletal muscles |
| quadriplegia | paralysis in arms and legs |
| paraplegia | paralysis in the lower body |
| Parkinson's disease | degeneration of nerve cells within the brain, uncoordination |
| Multiple sclerosis | destruction of the myelin sheath |
| Alzheimers disease | general mental deterioration |
| Epilepsy | seizures of uncontrolled electrical activity in the brain |
| Cerebral Palsy | disorders that occur as a result of damage to the brain before or during birth |
