動(dòng)物生理學(xué)5呼吸系統(tǒng)生理上-wenkub
2023-05-24 17:17:00 本頁(yè)面
【正文】 antage ? Temperature ? 2,3diphosphoglycerate ? CO and the structure of Hb Fully oxygenated hemoglobin releases more protons than the deoxygenated Hb. As a result, in a solution at , the release of 1 mM of O2 from HbO2 permit mM of H+ to be taken up without a change in pH。 T作用是降低肺泡液－氣界面的表面張力，而肺的回縮力減小。 this es mainly from oxidative phosphorylation of glucose which also occurs principally in the mitochondrion. Repiration includes: ? The gases must be moved between the environment and the lungs, usually referred to as “pulmonary ventilation” ? The gases must be exchanged between the spaces in lung and the blood ? Exchange of gases between the blood and the various tissues must occur ? Finally transfer of gases must occur within the tissue to sites of utilization (for O2 ) and from the sites of production (for CO2) pulmonary ventilation Gas exchange between the environment and the lungs, usually referred to as “pulmonary ventilation” The structures needed for pulmonary ventilation: airway, alveoli [230。l’vi?lai] (單數(shù) alveolus ), and thorax 肺通氣的原理 肺通氣的動(dòng)力 直接動(dòng)力 肺泡與外界環(huán)境之間的壓力差 原動(dòng)力 節(jié)律性呼吸運(yùn)動(dòng) Respiratory movements (呼吸運(yùn)動(dòng)） Respiratory muscle: diaphragm(膈 ), intercostal muscle, et al Thoracic cavity Inspiratory movement amp。 生理意義：維持肺泡的穩(wěn)定性；減少肺間質(zhì)和肺泡內(nèi)組織液生成，防止肺水腫；降低吸氣阻力，減少呼吸做功。 A thus delivery of O2 aids in buffering acids produced locally in the tissue. 影響氧解離曲線的因素 factors effect oxygen dissociation c
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