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sci220
| Question | Answer |
|---|---|
| The central nervous system (CNS) | the struc-tural and functional center of the entire nervous system. Consisting of the brain and spinal cord, the CNS integrates incoming pieces of sensory information, evaluates the information, and initiates an out-going response. T |
| peripheral nervous system (PNS | consists of the nerve tissues that lie in the periphery, or “outer regions,” of the nervous system |
| somatic nervous system (SNS) | regulates the somatic effectors, which are the skeletal muscles |
| enteric nervous system (ENS | is a so-called “second brain” in the wall of the gut. The term enteric means “intestinal,” so you can think of this system as the “intestinal nervous system.” Because it communicates with both afferent and efferent path |
| sensory receptor | make it possible for the body to respond to stimuli caused by changes occurring in our external or internal environment. T |
| receptor potential | is a graded response, graded to the strength of the stimulus |
| Olfaction | is our sense of smell. |
| Filiform papillae | bumps with tiny, threadlike projections; these papillae are scattered among the fungiform papillae; they do not contain taste buds but allow us to experience food texture and “feel” |
| pituitary glan | also called the hypophysis cerebri) is a small but mighty structure. |
| adenohypophysis | the anterior portion of the pituitary gland, is divided into two parts—the pars anterior and the pars intermedia |
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annamcastro
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