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CAHS (Nervous System)
| Question | Answer |
|---|---|
| The brain and the spinal cord is part of the...........? | central nervous system |
| Another word for the body | Soma |
| A long thin cytoplasmic process that extends from a neuron's cell body. | axon |
| The first portion, or initial segment, of the axon. | Axon hillock |
| A bulbous ending of a branch of an axon: Hint: also called synaptic ending | axon terminals |
| an atom or small molecule with a positive or negative electric charge. | ion |
| A negatively charged ion | anion |
| A positively charged ion | cation |
| Located outside cells, and it includes interstitial fluid and plasma | ECF |
| The movement of molecules from one location to another because of random terminal motion. | Diffusion |
| Ion channels that are open or closed by gates. | gated channels |
| the place to which impulses flow and from which impulses originate. | brain |