internal respiration 内呼吸
gas exchange 气体交换
alveolar diffusion 肺泡扩散
pulmonary ventilation 肺通气
respiratory rate 呼吸频率
1. The study focuses on the mechanism of external respiration in mammals.
这项研究集中在哺乳动物的外呼吸机制上。
2. External respiration involves the movement of air into and out of the lungs.
外呼吸涉及空气进出肺部的运动。
3. Impaired external respiration can lead to hypoxia.
外呼吸受损可能导致缺氧。
A: Can you explain the difference between internal and external respiration?
A：你能解释一下内呼吸和外呼吸的区别吗？
B: Sure. External respiration is the exchange of gases between the lungs and the blood.
B：当然。外呼吸是肺与血液之间的气体交换。
1) 生理学中特指肺通气与肺换气的全过程
2) 区别于细胞内的内呼吸（组织呼吸）
3) 涉及氧气摄入和二氧化碳排出的物理及生理过程
1. 外呼吸；肺呼吸
e.g.External respiration is essential for life.
外呼吸对生命至关重要。
noun
1. The exchange of gases between the body and the external environment, specifically involving the lungs.
Synonym: pulmonary respiration