Скачать или смотреть Anatomy of the Heart | Structure of Human Heart

Structure of the Human Heart
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The human heart is a muscular organ that pumps blood throughout the body. It is about the size of a fist and is located slightly to the left of the center of the chest. Here is a detailed explanation of its structure:

The heart is divided into four chambers:
1. Right Atrium
2. Right Ventricle
3. Left Atrium
4. Left Ventricle

Valves prevent the backflow of blood and ensure it moves in one direction.
1. Tricuspid Valve – between right atrium and right ventricle
2. Pulmonary Valve – between right ventricle and pulmonary artery
3. Mitral (Bicuspid) Valve – between left atrium and left ventricle
4. Aortic Valve – between left ventricle and aorta

Major Blood Vessels
Vena Cava (Superior and Inferior): Bring deoxygenated blood from the body to the right atrium
Pulmonary Arteries: Carry deoxygenated blood from the right ventricle to the lungs
Pulmonary Veins: Bring oxygenated blood from the lungs to the left atrium
Aorta: Largest artery, carries oxygenated blood from the left ventricle to the body

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