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Sancho Merecido posted an update in the group
MT30 – CC (LEC) 2 years, 2 months ago The circulatory system, also known as the cardiovascular system, plays a vital role in the body’s function by delivering oxygen and nutrients to cells and removing waste products. Comprised of the heart, blood vessels, and blood, it operates as a closed-loop system. The heart pumps oxygen-rich blood from the lungs to the body’s tissues through arteries, while veins return oxygen-depleted blood back to the heart. Capillaries, the smallest blood vessels, facilitate the exchange of nutrients and waste between blood and tissues. This intricate network ensures the body’s cells receive essential substances for metabolism while maintaining internal equilibrium.
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