Which component of the cardiac conduction system is responsible for initiating the heart's electrical impulses?

Which of the following structures carries electrical impulses from the atrioventricular (AV) node to the ventricles?

What is the role of the atrioventricular (AV) node in the cardiac conduction system?

What is the function of the semilunar valves in the heart?

Which part of the heart receives deoxygenated blood from the body?

Which part of the cardiac conduction system is responsible for the final rapid conduction of impulses directly into the ventricular muscle tissue?

What is the primary function of myogenic tissue in the heart?

During which phase of the cardiac cycle does the heart muscle contract and pump blood out of the chambers?

Which type of blood vessel carries deoxygenated blood back to the heart?

What is the main difference between arteries and veins?

Which term refers to the property of certain heart tissues to generate their own electrical impulses without external stimulation?

What occurs during diastole in the cardiac cycle?

Which blood vessel type has walls that are generally thicker and more elastic to withstand high pressure from the heart?

Which component of the heart is primarily responsible for initiating the heartbeat?

What is the pathway of oxygenated blood from the lungs to the heart?

What is the role of the aorta in the circulatory system?

What is the function of the vena cava in the circulatory system?

What is the name of the circuit that carries blood between the heart and the lungs?

What structure separates the left and right sides of the heart?

What is the function of the tricuspid and bicuspid valves in the heart?

Which chamber of the heart does the tricuspid valve separate from the right ventricle?

What is the main role of the bicuspid valve in the heart?