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The heart is a vital organ found in our circulatory system. As an organ it has the important job of pumping blood around the body. It achieves this as it is a muscular pump made up of cardiac muscles. This means they contract on their own and work tirelessly throughout their lifetime.
1. Superior Vena Cava: Vein leading blood to the heart from the body.
2. Aorta: Artery taking blood from the heart to the body.
3. Pulmonary Arteries: Arteries that take blood from the heart to the lungs.
4. Left Atrium: Small chamber of the heart that receives blood from the lungs.
5. Semi Lunar Valves: Valves at the base of the arteries that prevent the backflow of blood.
6. Atrial Ventricular Valve: Valves that separate the atrium and ventricle.
7. Left Ventricle: Large chamber receiving blood from the atrium.
8. Pulmonary Veins: Vein leading blood to the heart from the lungs.
9. Right Atrium: Small chamber of the heart that receives blood from the body.
10. Tricuspid Valve: Valves that separate the atrium and ventricle.
11. Inferior Vena Cava: Vein leading blood to the heart from the body.
12. Right Ventricle: Large chamber receiving blood from the atrium.
