Sistema Circulatorio - Corazón

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The Human Cardiovascular System The cardiovascular system is a complex yet highly specialized mechanism that functions to deliver oxygen and nutrients to cells throughout the body while also removing waste products. At its core, this system consists of a series of interconnected tubes known as blood vessels which convey life-giving fluids called blood. The blood vessels are made up of arteries, veins, and capillaries, each serving distinct roles in facilitating the exchange of vital substances. The heart, a muscular organ located within the thoracic cavity, plays a crucial role in propelling blood through these vessels. It contracts and relaxes in a rhythmic manner to generate pressure that pushes blood forward, thus maintaining circulation throughout the body. This dynamic process is made possible by the coordinated action of specialized cells within the heart muscle. In addition to its primary function of circulating oxygenated blood, the cardiovascular system also serves as a vital transport mechanism for nutrients and waste products. The blood vessels act as conduits for the exchange of these substances between organs and tissues, ensuring that all parts of the body receive what they need to survive.