Health & Environmental Research Online (HERO)


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7413228 
Journal Article 
The Heart: The Engine in the Center of the Vascular System 
Demyanets, S; , 
2019 
45-64 
In this chapter, you will learn about the anatomy and physiology of the healthy human heart. Mechanisms of the cardiovascular pathologies will be discussed separately in other chapters of this book. This chapter first will focus on the physiological processes responsible for cardiac contraction and relaxation with the emphasis on the components of the excitatory and conductivity system, differences in action potential in nodal versus non-nodal cells, and excitation-contraction coupling. This chapter will further cover the basic aspects of the heart cycle as well as the heart innervation and coronary circulation.