1. brain The organ that serves as the primary control center of the nervous system
2. neuron A specialized cell transmitting nerve impulses; a nerve cell
3. transduction The transforming of sensory input into nerve impulses our brains can interpret
4. sensory recep- Cells, tissues, organs, or nerve endings that send signals to the central nervous
tors system when stimulated
5. photoreceptors Receptors located in the eye that sense light
6. olfactory recep- Sensory cells in the nose that sense chemicals leading to the sense of smell
tors
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