Human Anatomy Essay Test From the following list choose six questions to write about. Remember to use complete sentences and proper punctuation. 1. Name the four types of tissue in the human body. Give the functions of each type. 2. Compare the functions of the periosteum and the Haversian canals. 3. Explain the difference between ligaments, cartilage, and tendons. 4. Name the three types of muscle tissues. Discuss their functions. 5. Why do you think it is helpful to chew your food before swallowing it? 6. Describe the villi and their role in absorption. 7. In one way, food does not really enter your body until it is absorbed into the blood. Explain why. Hint: Think of the digestive system as a tube passing through your body. 8. Why is blood considered a tissue? 9. Do all arteries carry oxygenated blood? Do all veins carry deoxygenated blood? Explain. 10. Why is it important to crossmatch blood for a blood transfusion?