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Circulatory System

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The circulatory system is vital for sustaining life, circulating blood throughout the body, delivering essential nutrients to cells, and removing waste products. The heart acts as the central pump, while arteries transport blood away from it, and veins return blood back to the heart. Lungs play a crucial role by removing carbon dioxide and enriching blood with oxygen. Additionally, organs such as kidneys filter waste, and the liver produces essential blood proteins. Understanding this system is key to appreciating human health and physiology.

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Circulatory System

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  1. Circulatory System Circulates blood throughout the body, delivers nutrients to cells, and removes waste products.

  2. HEART – muscle that pumps blood throughout the body ARTERY– Tubes that take blood Away from the heart LUNGS VEIN – brings blood back to the heart HEART KIDNEY CAPILARY – fine tubes that transfer substances from blood to tissue s ARTERY LUNGS– remove carbon dioxide from the blood and provide it with oxygen VEIN LIVER KIDNEY - filter the blood of wastes CAPILLARY LIVER - Makes certain blood proteins BONE MARROW BONE MARROW – Produces Blood cells

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