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The lacteal transports ______________________________________ The capillaries transport ______________________________________ 1 2 3 Function of mucus and cilia in the trachea. The villus. What substances are transported in…? Animal Transport and Exchange Systems (2 of 2) List three features of a villus that make it suitable for carrying out its function. Label this diagram of a villus – show the lacteal, blood capillary and epithelium. Diagram of an alveolus. Label it to show movement of oxygen and carbon dioxide, and location of oxygenated/ deoxygenated blood. Describe the mechanism of peristalsis. You may use a diagram if you wish. Name three locations where peristalsis occurs. Function of rings of cartilage in the trachea. List three features of an alveolus that make it an ideal structure for gas exchange. 1 2 3