The Human Heart #shorts #andnowyouknow

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The heart is composed of four chambers: the right atrium, right ventricle, left atrium and left ventricle. The chambers are separated by the septum, which prevents blood from flowing between them. The right atrium receives deoxygenated blood from the body, while the left atrium receives oxygenated blood from the lungs. The right ventricle pumps deoxygenated blood to the lungs, while the left ventricle pumps oxygenated blood to the rest of the body. The heart is also surrounded by a protective sac called the pericardium.
The heart also requires its own blood supply to function properly. The coronary arteries are the blood vessels that supply oxygen and nutrients to the heart muscle itself. If the coronary arteries become blocked, it can lead to a heart attack.
Overall, the human heart is an amazing organ that is essential for life. It plays a vital role in maintaining the circulation of blood throughout the body and requires care and attention to function properly.