PSYB64H3- Final Exam Guide - Comprehensive Notes for the exam ( 76 pages long!)
Document Summary
Protecting and supplying the nervous system: meninges: the layers of membranes that cover the central nervous system (cns) and the peripheral nerves, dura mater: the outermost of the three layers of meninges; found in both the. Intracellular and extracellular composition: extracellular fluid has a large concentration of sodium and chloride ions, similar to sea water. Homeostasis and motivation: homeostasis: a physiological state of equilibrium of balance, coined by walter cannon, set points: a value that is defended by regulatory systems, such as a core temperature or a body weight. In infants: stimulating greater metabolic activity in brown fat cells. Output from the cold-sensitive neurons to the pvn and the posterior hypothalamus results in activation of the sympathetic nervous system: temperature-insensitive neurons make up about 60 percent of the poa, posterior hypothalamus. Interstitial fluid: a type of extracellular fluid surrounding the bodies cells: 26% of the bodys total water, extracellular fluid, higher concentration of sodium and chloride.
