Blood Circulation

The circulation of blood can be divided into two cycles: the Systemic Cycle and the Pulmonary Cycle.

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Coronary Blood Vessels

The heart consists of four chambers:

Right and Left Atrium, and the Right and Left Ventricles.

The Atrium is connected to Ventricles via valves and the right and left sides are separated by a septum.

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Heart Valves

The heart consists of four key valves:

- Those between the Atrium and the Ventricles - On the right side the Tricuspid Valve (3 cusps), and on the left side Mitral Valve (2 cusps).

- Those between the Ventricles and out of the heart, commonly known as the Semilunar Valves (3 cusps) - On the right side the Pulmonary Valve and on the left side Aortic Valve.

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Chambers of the Heart

The heart consists of four chambers:

Right and Left Atrium, and the Right and Left Ventricles.

The Atrium is connected to Ventricles via valves and the right and left sides are separated by a septum.

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