联体，并体天生的或手术施行的通常进行血液交换的两器官的联合，比如在。
The natural or surgical union of anatomical parts of two organisms, usually involving exchange of blood, as in the development of Siamese twins or in certain transplant operations.
但正是肺的底部含有温度最高、血流量最大的血管，最频繁的气体交换在这里进行，将氧气运送到血液中。
Yet it's the bottom section of the lungs that contains the warmest and wettest blood vessels - the most efficient for gas exchange and moving oxygen into the blood.
在每一曲结束后他们伸展着胳膊腿来让血液循环并且交换舞伴。脸上大汗淋漓。
They shook their arms and legs to help their blood circulate after every set as people walked around to change partners, their faces drenched in perspiration.
对于哺乳动物，每次吸气都将富氧空气带进肺中被称为肺泡的“死胡同”。这些在肺泡中循环的空气通过与肺毛细血管的血液进行气体交换，输进氧气并带走血液中的二氧化碳。
Air circulating through these sacs transfers oxygen into the bloodstream that picks up the blood's carbon dioxide waste.
相比之下，人的心脏只有四个心室，其中的两个心室收缩将血液压进动脉输送到肺部，在那里吸收氧气，放出二氧化碳，而另两个心室则将完成气体交换后的血液输送到到全身。
A human heart, by contrast, has four chambers. Two of these pump blood to the lungs, where it picks up oxygen, then the other two pump this oxygenated blood throughout the body.
大笑时由于肺比平常交换了更多的空气，从而增加了血液中的含氧量。
Because the lungs are exchanging much more air than normal, they enrich the blood with oxygen.
不同血液中心之间的这种交换是一种惯常的做法，在必要时提供了一个全国性的血库。
This type of exchange between blood centers is a common practice and provides a national pool of blood when necessary.
血液与人体其他组织之间的气体交换是另一种呼吸，叫做内呼吸，或组织呼吸。
The exchange of gases between the blood and other tissues in the body is another form of respiration, called internal respiration, or tissue respiration.
由单层细胞和基膜构成的血管壁是血液与体腔液进行物质交换的场所。
The vascular wall composed of monolayer cell and basement membrane was the location of matter exchange with which coelomic fluid and blood were concerned.
专门的道德教育是一个血液密集区、一个血泵，它像发动机一般向教育肌体的其他部分运送能量并与之不断进行物质交换；
Special moral education is a blood pump, an engine which conveys energy to other organs and make material exchanges with them.
可以改变该中空纤维的疏松度，以增强气体与血液之间的交换。
The porosity of the fiber bundle may be varied to enhance gas exchange with the blood.
毛细血管是系统中最重要的血管，它实现了血液和组织之间水和化学物质的实际交换。
The capillaries are the most important vessels in the system. They enable the actual exchange of water and chemicals between the blood and the tissues.
吸入的空气中的氧气就在肺泡里与来自周围毛细血管血液中的二氧化碳进行交换。
There oxygen in the inspired gas is exchanged for carbon dioxide from the blood in the surrounding capillaries.
血脑屏障是一个细胞系统，它能调节大脑和血液间的物质交换。
The blood-brain barrier is a system of cells that regulates the exchange of substances between the brain and the blood.
微循环是指微动脉和微静脉之间毛细血管网的血液循环，是血液与组织细胞进行营养、水分、毒素等交换的场所。
Micro cycle means the blood circulation of the capillary vessel between micro artery and micro vein; it is a net for the nutrition, water and toxin exchanging.
微循环是指微动脉和微静脉之间毛细血管网的血液循环，是血液与组织细胞进行营养、水分、毒素等交换的场所。
Micro cycle means the blood circulation of the capillary vessel between micro artery and micro vein; it is a net for the nutrition, water and toxin exchanging.
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