EXCRETION TISSUES AND SUPPORTING SYSTEMS COMPONENTS OF THE MAMMALIAN SKELETON JOINTS ALIMENTARY CANAL/DIGESTIVE SYSTEM FEEDING HABITS FEEDING IN AMOEBA, HYDRA AND MAN TRANSPORT SYSTEMS CIRCULATORY SYSTEM IN MAMMALS MECHANISM OF TRANSPORT IN HIGHER PLANTS Excretion Biology, SS 2, Second Term Week: 1 Topic: Excretory System Introduction Every organism, from the smallest protist to the largest mammal,...