PSYC 2000 Chapter : SI Session - Chapter 2 Part 1
Document Summary
Psychology 2000 supplemental instruction, exam 1: chapter 2 (part 1) Warm up: neurons, nerves, and the nervous system: Cns (central nervous system) brain and spinal cord. Pns (peripheral nervous system) transmits info to/from your cns. Brain: stores/interprets info and sends order to muscles, organs, and glands. Cord: pathway connecting the brain to the pns. Autonomic ns: regulates glands, interal organs, blood vessels/blood pressure, dialation, digestion. System: carries sensory information and controls moevement of skeletal muscles (somatic, sensory, skeleton) Parasympathetic: "rest and digest" helps conserve energy, maintains body functions under "normal conditions" sympathetic: fight or flight, gets the body prepared to react in times of high stress, expend energy. Glial cells: make up 90% of cells in the nervous system. Functions include: glial cells insulate, glial is located in the gray matter of the brain, provide nutrients, forms myelin, repairs damage.
