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chp 35.3-35.5 vocab
| Question | Answer |
|---|---|
| meninges | three layers of connective tissue in which the brain and spinal cord are wrapped |
| cerebrospinal fluid | fluid in the space between the meninges that acts as a shock absorber that protects the central nervous system |
| cerebrum | area of the brain responsible for all voluntary activities of the body ` |
| cerebellum | region of the brain that coordinates body movements |
| thalamus | brain structure that receives messages from the sense organs and relays the information to the proper region of the cerebrum for further processing |
| hypothalamus | brain structure that acts as a control center for recognition and analysis of hunger, thirst, fatigue, anger, and body temperature |
| reflex arc | sensory receptor , sensory neuron, motor neuron, and effector that are involved in a quick response to that stimulus |
| sensory receptor | neuron that reacts to a specific stimulus, such as light or sound, by sending impulses to other neurons and eventually to the central nervous system |
| retina | innermost layer of the eye; contains photoreceptors |
| cone | in gymnosperms, a seed bearing structure; in the retina of the eye, a photoreceptor that responds to light of different colors, producing color vision |
| cochlea | fluid filled part of the inner ear, sends nerve impulses to the brain through the cochlear nerve |
| taste bud | sense organ that detects the flavor of a substance |
| stimulant | drug that speeds up the actions regulated by the nervous system |
| fetal alcohol syndrome | group of birth defects caused by the effects of alcohol on a fetus |
| addiction | uncontrollable dependence on a drug |