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dcwksheet6

dcwksheet6 - DwayneChang [email protected]

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Dwayne Chang [email protected] OH: Wed 12:30P @ Leichtag Lobby Professor:  Dr. Fortes  BIPN 100 Winter 2008 Week 5 –Autonomic Nervous System, Hormones, Signal Transduction Pathways Autonomic Nervous System Organ Effect of sympathetic stimulation (fight/flight) Effect of parasympathetic stimulation (rest/digest) Heart - Muscle - Coronaries - rate; force of contraction (β 1 ) - Dilates (β); constricts (α) - rate; force of contraction (mostly via atrium) - Dilates Systemic arterioles - Abdominal - Muscle - Skin - Constricts - Constricts (α); Dilates (β 2 ) - Constricted -- -- -- Lungs - Bronchi - Blood vessels - Dilates (β 2 ) - Constricts (slightly) - Constricts - -- Adrenal Medulla catecholamine secretion -- Liver Release glucose Small glycogen synthesis Sweat glands sweating (α) -- Salivary glands 2 ) Watery secretion Gut - Lumen - Sphincter - peristalsis and tone - tone - peristalsis & tone - relaxes ducts Relaxes Constricts Kidney urine renin secretion (β 1) -- Bladder Urinary retention (α, β 2 ) Release urine Penis Ejaculation Erection Basal metabolism
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dcwksheet6 - DwayneChang [email protected]

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