| A | B |
|---|
| neuron | nerve cell |
| impulse | messages of sensation and information |
| axon | long fiber that carries impulses |
| dendrites | fibers that gather information |
| synapse/synaptic gap | space between axon terminals of one neuron to the dendrites of another neuron |
| neurotransmitters | chemicals that trigger an impulse to next neuron |
| sensory neuron | detects changes in environment |
| interneurons | neuron found only in CNS |
| motor neuron | carries responses to/from muscles, glands and internal organs |
| cerebrum | largest part of the brain, intelligence |
| cerebral cortex | outer layer of brain |
| thalmus | relays sensory info. to cerebral cortex |
| hypothalmus | regulates involuntary function, basic needs |
| right brain | color, artistic, music |
| left brain | annalytical, math, logic, speech |
| hippocampus | memory |
| amygdala | emotions |
| cerebellum | coordinates voluntary actions |
| brainstem | connects cerebrum to spinal cord |
| medulla | involuntary function (HR, Bp) |
| pons | links cerebrum to cerebellum, and right to left hemispheres |
| midbrain | controls pupil size, dilation and blinking |
| spinal cord | bundle of nerves that runs from medulla to just below the ribs |
| peripheral nervous system | carries information between the body and CNS |
| spinal nerves | 31 pairs |
| cranial nerves | 12 pairs |
| autonomic nervous system | part of PNS that contols involuntary function |
| parasympathetic | slows down the bodies functions |
| sympathetic | works when active or under stress |
