system consists of the heart and the blood vessels (arteries, capillaries, veins) (see Figures 8-1 and 8-2). The purpose of the system is to provide rapid delivery to the tissues of oxygen from the lungs; nutrients, minerals, vitamins, and water from the digestive system; hormones from glands; and white blood cells from bone marrow and lymphoid tissue, while removing waste products and delivering them to the lungs (carbon dioxide), liver (broken-down red blood cells), and kidney (surplus water, nitrogenous…
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