Understanding the Heart's Anatomy: Chambers and Functions
Here are the four chambers of the heart and their major functions:
- Right atrium - receives deoxygenated blood from the body through the superior and inferior vena cava
- Right ventricle - pumps deoxygenated blood to the lungs through the pulmonary artery
- Left atrium - receives oxygenated blood from the lungs through the pulmonary veins
- Left ventricle - pumps oxygenated blood to the body through the aorta
Other important parts of the heart include:
- Valves - prevent backflow of blood as the heart chambers contract
- Septum - muscular wall that separates the right and left sides of the heart
- Coronary arteries - supply oxygenated blood to the heart muscle
- Coronary veins - drain deoxygenated blood from the heart muscle
- Myocardium - muscular wall of the heart chambers
- Endocardium - thin membrane that lines the inside of the heart chambers
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