Transport in Plants and Animals

Topic Objectives

By the end of the topic, the learner should be able to:

• Define transport and explain the necessity of transport in plants and animals
• Relate the structure of the root, root hair, xylem and phloem to their functions
• Relate the internal structure of the leaf to transpiration
• Explain possible forces involved in the movement of water and mineral salts through the plant
• Explain the significance of and factors affecting transpiration
• Demonstrate simple experiments on transpiration
• Distinguish between closed and open circulatory systems
• Relate the structure of the heart and the blood vessels to their functions
• Trace the path taken by blood from the heart to all parts of the body, and back to the heart
• Name the common diseases of the circulatory system in humans and suggest methods of control / prevention
• Relate the structure of the components of blood to their functions
• Explain how oxygen and carbon dioxide are transported in the blood
• Describe the mechanism of blood clotting and its importance
• Describe the human blood groups and their importance in blood transfusion
• Explain immunity and describe immune responses.