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| Description: Muscular system Absorbed calcium, potassium, and sodium are needed for muscle contraction; the lactic acid produced by working muscles is converted to glucose in the liver. Cardiovascular system and blood Absorbed water maintains blood volume; iron is used in red blood cells to make hemoglobin; vitamin K made in the colon is used in clotting; many plasma proteins are made in the liver. Immunity and the lymphatic system Gastric juice and stomach enzymes help destroy microorganisms; diarrrhea helps flush microbes from the intestines. Picture Stats: Views: 233 Filesize: 419.3kB Height: 594 Width: 844 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=42944 |