Identify the four valves of the heart?

What forces drive the venous return to the heart?

the heart valves are covered by which layer of the heart?

why a leaking heart valve may cause heart damage over time?

What are the three primary sulci of the heart? What structures are within these superficial grooves of the heart?

In 500 to 750 words, identify and describe the structure and function of the heart, how the cardiac cycle works, and what is cardiac output.

List the four valves in the heart. What is the function of the valves in the heart? What is the difference in function between the AV valves and the semilunar valves?

Normal heart sounds are caused by which of the following events? A) friction of blood against the chamber walls B) closure of the heart valves D) blood entering and leaving the heart chambers E) excitation of the SA node

what should the normal heart beat at

The closure of the mitral valve (bicuspid valve) A) is represented by the P wave on the EKG C) contributes to the first heart sound D) occurs when the tricuspid valve is open