PSYC 314 Chapter Notes - Chapter 2: Antibody, T Cell, Respiratory Center

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9 Dec 2013
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Nervous system: complex network of interconnected nerve fibers that regulate, for example, the response to & recovery from stress. Notes: sympathetic ns= catabolic (breakdown of molecules for mobilization & energy) & activated during stress/ increases excitement epi & norepi (catecholamines, parasympathetic ns= anabolic (conserves energy) & activated during digestion/ decreases excitement acetyl, mobilizing the body, 1. Directs nervous system stimulation to muscles etc: 2. Effect on endocrine system: glands in the body releases hormones into bloodstream to. Interfaces with ns bi-directionally affect organs: brain= command center; receives afferent (sensory) impulses. & sends efferent (motor) impulses to external organs/ muscles. = regulates heart rate, blood pressure & o2/co2. Hindbrain: medulla, pons & cerebellum: medulla levels in the body balance, equilibrium, muscle tone & posture, pons, cerebellum. = controls respiration & links the hindbrain & midbrain. Midbrain: major pathway for sensory & motor impulse travelling from the forebrain to hindbrain; function coordination of visual & auditory reflexes.

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