百度试题 题目肺换气(gas exchange in lungs): 相关知识点: 试题来源: 解析 是肺泡与肺毛细血管血液之间的气体交换过程。反馈 收藏
The lungs contain about 3 x 10 8 alveoli (little sacs) in which air and blood are brought close together so that gas exchange can occur. The principal gases exchanged are O 2 , which is picked up by the blood and CO 2 , which leaves the blood stream and enters the air spaces of ...
Gases move passively across the lungs in which flow is proportional to the area of exchange, inversely proportional to the thickness of the barrier, proportional to the solubility, diffusion coefficient in the membrane, and proportional to the partial pressure difference across the membrane. The ...
Gas Exchange Gas exchange occurs at two sites in the body: in the lungs, where oxygen is picked up and carbon dioxide is released at the respiratory membrane, and at the tissues, where oxygen is released and carbon dioxide is picked up.External respirationis the exchange of gases with the ...
Gas exchange is the process that occurs between oxygen and carbon dioxide. Oxygen is passed from the lungs to the bloodstream and carbon dioxide is eliminated from the bloodstream to the lungs. Exchange of Gas takes place in lungs between the alveoli and capillaries which are tiny blood vessels...
The theory that birds evolved from a group of small terrestrial theropod dinosaurs has created much controversy. One argument proposed against this theory is that the lungs of early theropods were incapable of sustaining endothermic gas exchange requirements and could not have given rise to the lungs...
the site of gas exchange in the lungs is: ( ) A. trachea B. terminal bronchioles C. alveolar ducts D. alveoli 点击查看答案&解析手机看题 你可能感兴趣的试题 单项选择题 突发环境事件损失价值评估的步骤是() A.事件调查、损失分析及计算、结果分析、撰写评估报告 B.现场记录和收集数据、事件调查、结...
Internally, the lungs are characterized by a row of 11 dorsomedial niches and by honeycomb-like (faveolar) gas exchange tissue, which is deeper cranially than caudally. Based upon mean values for all experimental animals, a 100-g tokay would have an overall anatomical diffusion factor (...
any elastic aeriform fluid in which the molecules are widely separated from each other and so have free paths. alveolar gasthe gas in the alveoli of the lungs, wheregasexchangewith the capillary blood takes place. blood g'sthe partial pressures of oxygen and carbon dioxide in blood; seeblood...
7.2.4 Chemical plant involving gas exchange The chemical plant of the model involves gas exchange processes in the lungs and the tissues in different parts of the body. Further, it also includes the gas transport through the circulatory system. Oxygen (O2) and carbon dioxide (CO2) are exchang...