What activities of heart are controlled by sympathetic system and parasympathetic system.

Sympathetic stimulation increases the phosphorylation of the Ca2+ATPase in the sarcoplasmic reticulum. What effect does this have on cardiac function? It increases the rate of diastole  It decreases the stretch of the ventricles The rate of systole decreases

A heart murmur would be detected in the pathological situation in which blood was flowing from the __________ to the __________ through an incompetant __________.   A right atrium; right ventricle; tricuspid valve   B right atrium; left atrium; tricuspid valve   C left ventricle; left atrium; mitral valve   D left atrium; left ventricle; mitral valve   E ALL OF THE ABOVE

explanation of circulation of blood in humans it has to begin with the right atrium of the heart.   It also includes these:  include all the names of the chambers of the heart include the names and function of the valves in the heart include the names of the all the major vessels involved state where blood is deoxygenated (oxygen-poor) or oxygenated (oxygen-rich)