The circulatory system is like a big delivery network inside our bodies. It includes the heart, blood, and blood vessels. The heart is a super important pump that sends blood all around, delivering oxygen and nutrients to our cells and picking up waste like carbon dioxide. Arteries carry the blood away from the heart, while veins bring it back. This system helps keep us healthy and active by making sure all our body parts get what they need to work properly

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The circulatory system is a vital delivery network in our bodies, consisting of the heart, blood, and blood vessels. The heart pumps blood to deliver oxygen and nutrients to cells while removing waste like carbon dioxide. Arteries transport blood away from the heart, and veins return it. This system ensures our body parts receive what they need to function effectively.

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The circulatory system, made up of the heart, blood, and blood vessels, delivers oxygen and nutrients to cells and removes waste. Arteries carry blood away from the heart, while veins return it, helping keep our bodies functioning properly.

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