His heart has divided into four Chambers and its valves are beginning to form.
他的心脏已经分成了四个腔室，瓣膜也开始形成了。
Normally the sinoatrial node generates regular electrical pulses that spread across the Chambers of the heart, causing the cells to contract in synchrony.
正常情况下，窦房结产生规律的电脉冲，传入各心房，再带动细胞同步收缩。
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.
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。
At the heart of the fire, temperatures easily exceeded 1,000 degrees [Fahrenheit]. Lethal clouds of carbon monoxide and other gases swirled through the rock Chambers.
在大火中心，温度超过1000度，由一氧化碳和其它毒气形成的致命云团裹住了人们的房子。
When the heart beats, an electrical signal passes from the top of the heart, near the atria (upper chambers), down through the ventricles (lower chambers), and the chambers contract in that order.
当心脏跳动时，一个电子信号就会从心脏的顶部传到一个心腔（位于上部），然后是位于下部的心腔，当它收缩时，也是按照这样的顺序。
By inserting electrodes into one or more of the Chambers of the heart, via a large vein, it is possible to mimic its function by applying small electrical shocks at regular intervals.
把电极通入一个或多个心房或心室，并使导入一条大静脉，就可以通过有规律的小幅电击模拟窦房结发挥作用。
An electrical wave traverses the heart each time it beats, co-ordinating the contraction and relaxation of the chambers that pump blood around the body.
随着心室的收缩和舒张将血汞到了全身，心脏跳动一次，电波横穿心脏一次。
She walked around from one place to the next, looking into rooms and Chambers as her heart desired. Finally she came to an old tower.
她在宫里到处穿来穿去，大小房间都看完了，最后，她来到了一个古老的宫楼。
Blood pressure and oxygen measurements are taken in the four Chambers of the heart, as well as the pulmonary artery and aorta.
在心脏的四个腔里以及肺动脉和主动脉里分别测量血压和血氧。
The heart has four Chambers and is red.
心脏也有四个腔室，也是红的。
Intriguingly, before the heart of a developing mammalian embryo separates into four Chambers, it looks similar to the two-chambered zebrafish heart.
非常有趣的是，发育中的哺乳动物晶胚的心脏在分化为四腔室前，与斑马鱼的双腔心脏非常相似。
The heart is red and has four chambers .
心脏也是红色的并且有四个心房。
Normally the heart contracts and relaxes between 70 and 80 times per minute, each heartbeat filling the four Chambers inside with a fresh round of blood.
通常每分钟心脏会收缩和扩张70至80次，每次心跳会给四个心室供应一股新鲜的血液。
Morphology of the athlete's heart is relatively well defined. There is enlargement of all cardiac Chambers, which is greatest in those practising sports that combine endurance and power.
运动员的心脏形态是相对明确界定。那就是所有心室都扩大，尤其是那些练体育和耐力相结合的运动。
Pacemaker syndrome. This uncommon condition occurs when a pacemaker throws off the careful coordination between the beating of the upper and lower chambers of the heart.
起搏器综合症这种不常见的疾病发生在当起搏器抛出了精心协调上下跳动的心腔。
Methods:Investigated all chambers of the heart ; pulmonary artery pressure and tricuspid regurgitation in 68 congenital antrum septal defect and 82 normal neonates by colour Doppler echocardiography.
方法：利用彩色多普勒超声心动图检测68例先天性房间隔缺损患儿与82例正常新生儿心脏各腔室的大小、肺动脉内压力、三尖瓣反流等。
During this early period, the human heart goes through stages in which it resembles the hearts of various animals, before it is finally divided into four Chambers.
在这一期间，人类的心脏在最终形成四个室之前经历的阶段很像各种动物的心脏。
O. is a tunnel that connects the upper Chambers of the heart - the right atrium and the left atrium.
卵圆孔未闭会导致心脏上部腔体，即左心房和右心房之间存在一条通道连接。
心脏有四个心室。
Delayed answers often set the heart searching itself, and so lead to contrition and spiritual reformation: deadly blows are thus struck at our corruption, and the chambers of imagery are cleansed.
因此，向我们的败坏作致命的打击，反而会使我们的内心深处得到洁净。
The EKG (electrocardiogram) sensor measures cardiac electrical potential wave forms (voltages) produced by the heart as its Chambers contract.
EKG(心电图)传感器可测量当心脏内腔收缩时所产生的心肌电势波形(电压)。
The human heart has four chambers.
人的心脏有四个心腔。
The Chambers of the heart fill to an optimal level and cardiac output increases.
心室逐渐达到理想水平，心脏输出增加。
Cardiac remodeling is defined as an alteration in anatomy, inter diameter and function of cardiac Chambers caused by a series of molecular and cellular events after injury to the heart.
心脏重构是指发生于心肌损伤之后的分子和细胞事件所导致的心脏各腔室形态、内径和功能改变。
When the heart contracts, the chambers become smaller, forcing blood first out of the atria into the ventricles, then from each ventricle into a large blood vessel connected to the top of the heart.
当心脏收缩的时候，腔室会变小，首先迫使血液从心房出来进入心室，然后从每个心室进入一个连在心脏上方的大血管。
The infection, usually caused by bacteria, invades the innermost lining of the heart and can damage heart valves, connective tissue and the heart Chambers themselves.
感染，通常由细菌引起，侵入心脏的最内部衬料并且能损坏心脏瓣膜，结缔组织和心脏寝室本身。
The infection, usually caused by bacteria, invades the innermost lining of the heart and can damage heart valves, connective tissue and the heart Chambers themselves.
感染，通常由细菌引起，侵入心脏的最内部衬料并且能损坏心脏瓣膜，结缔组织和心脏寝室本身。
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