百度试题 结果1 题目The pacemaker of the heart is the___(two words) 相关知识点: 试题来源: 解析 (1)sinoatrial node;SA node 反馈 收藏
These cells carry electrical energy through the heart in a predictable pattern, stimulating the different parts of the heart to contract in a regular rhythm. This network is called the intrinsic cardiac conduction system. Answer and Expl...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供The pacemaker for the heart is ordinarily theA.sinoatrial nodeB.atrioventricular nodeC.atrioventricular bundle (of His)D.subendocardial plexusE.membranous interventricular septum的答
The heart also has an electrical system that controls the rhythm of the heartbeats. The sinoatrial node (SA node) is the natural pacemaker of the heart, and it generates electrical impulses that cause the heart to beat. The electrical impulses travel through the atria and reach the atrioventricu...
Sinus node The pacemaker of the heart, consisting of a cluster of spontaneously depolarizing cells in which electrical impulses are generated. CD11b DTR mice Transgenic mice expressing the diphtheria toxin receptor under control of theCd11b(also known asItgam) gene promoter, which enables macrophage ...
The SA node responds to the body's overall need for blood and increases the heart rate when necessary, such as during exercise, emotional excitement, or illness such as fever. The SA node is sometimes called the “natural pacemaker” of the heart. ...
What is the pacemaker of the heart? And why?,Questions for Paragraph 3,1. The SA and the AV initiate impulses. 2. The Purkinje fibers form a pathway for conduction of the impulse which ensures that the heart muscle 6、 cells contract in the most efficient pattern. 3. The SA node. ...
The AV node, which normally exhibits the fastest rate of autorhythmicity is known as the pacemaker of the heart. A. 正确 B. 错误 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: B 复制 纠错...
基础医学英语课件:Unit 2 The Heart UNIT2PassageA TheHeart Keyterms ventricle---ventricular(adj.)atrium---atria(pl.)---atrial (adj.)systole---systolic(adj.)diastole---diastolic(adj.)di-:expand cardiacadj.oftheheartskeletalmuscle骨骼肌smoothmuscle平滑肌striatedadj.横纹的intercalateddisc闰盘 the...
ˈpacemakernoun 1.an electronic device to make the heart beats regular or stronger.marcapasos 2.a person who sets the speed of a race.liebre keep pace with to go as fast as.He kept pace with the car on his motorbike.llevar el mismo paso, ir al mismo ritmo ...