systemic circulation
delivers blood to all body cells and carries away waste
Systemic circulation refers to the part of the cardiovascular system that is responsible for transporting oxygenated blood from the heart to the rest of the body, and then returning deoxygenated blood back to the heart.
The process of systemic circulation starts when oxygenated blood leaves the left ventricle of the heart and enters the aorta, which is the largest artery in the body. The aorta then branches out into smaller arteries that supply blood to various organs, tissues, and cells of the body. As the blood travels through these smaller arteries, it delivers oxygen and other nutrients to the cells and picks up waste products, such as carbon dioxide, that are produced by the cells.
After circulating through the smaller arteries, the blood flows into tiny, thin-walled vessels called capillaries, where oxygen is released and waste products are taken up by the blood cells. The deoxygenated blood then flows into small veins, which join to form larger veins that eventually lead back to the heart.
The systemic circulation is essential for the proper functioning of the body’s organs and tissues, as it ensures that they receive a constant supply of oxygen and nutrients needed for metabolism and energy production. Without systemic circulation, the body would not be able to sustain life.
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