Excretory System Lesson for Kids -

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The simplest system is that of contractile vacuoles present in microorganisms Flame cells and nephridia in worms perform excretory functions and maintain

immune system The excretory system in the domestic fowl consists of the two kidneys, each with a ureter that carries the urine produced by the kidneys to the cloaca where it

lymphatic system These solid wastes are removed by the body through the rectum Page 6 Kidneys: • The main organs of the urinary system •