Cardiac Cycle

Front

What receives oxygenated blood from the lungs?

Back

Left Atrium

Front

What is an EKG?

Back

A graph

Front

What causes the 'Dub' sound in the heart's LUB DUB?

Back

Semilunar Valves closing

Front

Why are the walls of the left ventricle thicker than the right ventricle?

Back

Blood from the left ventricle is pumped throughout the entire body.

Front

What pumps oxygenated blood to all parts of the body?

Back

Left Ventricle

Front

What is the primary function of the heart?

Back

To pump blood throughout the body.

Front

What are the two main phases of the cardiac cycle?

Back

Systole and Diastole.

Front

What is systole?

Back

The phase of the cardiac cycle when the heart muscle contracts and pumps blood.

Front

What is diastole?

Back

The phase of the cardiac cycle when the heart muscle relaxes and fills with blood.

Front

What is the role of the atrioventricular valves?

Back

To prevent backflow of blood from the ventricles to the atria.