| A | B |
|---|
| Nervous System | master controlling and communicating system of the body |
| Sensory Input | information gathered about stimuli |
| Integration | processing and interpreting sensory input |
| Motor Output | sending messages to effectors |
| CNS | central nervous system |
| Central Nervous System | brian and spinal cord |
| PNS | Peripheral Nervous System |
| Peripheral Nervous System | cranial and spinal nerves |
| Sensory Division | consists of afferent nerves |
| Motor Division | transmists impulses to effectors |
| Somatic Nervous System | conducts impulses to skeletal muscles |
| ANS | autonomic nervous system |
| Autonomic Nervous System | regulates activities of smooth muscles, cardiac muscles, and glands |
| Sympathetic Division | fight or flight division |
| Parasympathetic Division | rest repose division |
| Neuroglia | supporting cells |
| Astrocytes | connect neurons to blood vessels |
| Microglia | phagocytes |
| Ependymal Cells | line ventricals and central canal |
| Oligodendrocytes | make myellin sheath in CNS |
| Satellite Cells | surround cell bodies and ganglia |
| Schwann Cells | make myellin sheath in PNS |
| Neurons | cells that transmit impulses |
| Perikaryon | cell body |
| Nissl Bodies | rough endoplasmic reticlum |
| Nuclei | groups of cell bodies in CNS |
| Ganglia | groups of cell bodies in PNS |
| Tracts | bundles of myelinated fibers in CNS |
| Nerves | bundles of fibers in PNS |
| Axon | carry impulses away from cell body |
| Axon Hillock | point on cell body where action potential starts |
| Nerve Fiber | any long axon |
| Telodendria | terminal branches |
