Blood flow in the heart is done by the contraction of the heart muscle.
The cardiac cycle is divided into two periods:
Diastole - The ventricle muscle is relaxed
Systole - The ventricle muscle is contracted
The circulation of blood can be divided into two cycles: the Systemic Cycle and the Pulmonary Cycle.
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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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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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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.
Read More