discuss the structure of heart
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The heart is divided into four chambers consisting of two atria and two ventricles; the atria receive blood, while the ventricles pump blood. The right atrium receives blood from the superior and inferior vena cavas and the coronary sinus; blood then moves to the right ventricle where it is pumped to the lungs.
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Structure of heart:
- Heart is a muscular organ.
- It has four chambers :- Left atrium, right atrium, left ventricle and right ventricle.
- Human heart size is about the size of human fist.
- It is found between the chest means centre of the chest.
- Heart is made up of cardiac muscles.
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- Study of heart is called as cardiology.
- Heart is known as pumping organ of the body because it pumps the blood and supply to the other parts of body.
- Heart has four chambers which have their specific function. They carries oxygenated and deoxygenated blood from lungs and other parts of the body.
- Parts of the heart includes :- Aorta, arteries, pulmonary veins, superior vena cava, inferior vena cava, aortic valve, mitral valve, tricuspid valve.
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