physiology.ppt

Structure and Function of Human Body 人體結構與功能 by Chung W.Wu,M.S.,R.Ph. * * Nerve Systyem Electrical Signals Controlled by Nerve System Action Potential Cell Membrane Ion Channel Electrical Current Membrane Potential Resting Membrane Potential Na-K Pump Neurotransmitter (Chemical Neurotransmitter) 1. Ach 2. Nor-Epinephrine Epinephrine Dopamine Serotonin 3. GABA Serotonin: Hallucination Stress: Serotonin Decrease Nor-Epinephrine Increase Attack Action Electroencephalogram (EEG) Germany—Hans Berger Brain Wave: Brain Nerve Cell Action Potential 1.Alpha 2.Beta 3.Delta 4.Theta Sleep and Brain Waves 1. Rapid eye movement Sleep 　　　　　　　　　　　　(REM) 2. Nonrapid eye movement Sleep 　　　　　　　　　　　　(NREM) Sleep Disorder 1. Insomnia 2. Sleepwalking 3. Bed-Wetting 4. Narcolepsy 5. Sleep Apnea Digestive System Digestive Tract 口腔---食道---胃---小腸---大腸---肛門 Accessory Structure 牙齒 舌頭 唾液 肝臟 膽囊 胰臟 Total Length： 9 Meter The Nerve Innervation of 　　　　　　　　Digestive Tract Autonomic Nervous System SNS：抑制平滑肌收縮及腺體分泌 PNS Enteric Nervous System 內在神經系統 控制腸胃道的運動 The Secretion of Alimentary Tract 1. Secretion of Saliva Composition of Saliva 1000---1500 ml/Daily 99.5% Water 0.5% Solute NaCl HCO3 HPO4 溶菌酶 澱粉酶(Starch—Maltose) The Function of Saliva 1. Digestion 2. 殺菌作用 3. 潤滑食物 4. 清潔口腔 Gastric Secretion 1. Pepsin(pH1.8—3.5) 2. Gastric Acid 3. 凝乳酶 The Mechanism of Gastric Secretion 1. CO2+H2 O--------H2CO3 2. H2CO3 ------H +HCO3 The Protection Mechanism of Parietal Cells 　　　1. Soluble Mucus 　　　2. HCO3 Secretion 　　　胃壁細胞分泌 　　 Caffeine Content The Composition of Gastric Acid H+, Na+ , K+ Cl- , HCO3 Caffeine Content Caffeine(mg/cup) Brewed 100-150 Instant 50-9