a&p 2

Review Questions 1. Describe the structure of the three layers of the walls of ar- teries, and state the function of each layer. Describe the structural differences in these layers in veins, and explain the reason for each difference. (PP. 296-297) 2. Describe the structure and purpose of anastomoses, and 3. Describe the structure of capillaries. State the process by which each of the following is exchanged between capil- laries and tissue fluid: nutrients, oxygen, waste products, and carbon dioxide. (pp. 298-299) 4. State the part of the body supplied by each of the following give a specific example. (p. 297) arteries: (p. 303) a. Bronchial b. Femoral c. Hepatic d. Brachial e. Inferior mesenteric f. Internal carotid g. Subclavian h. Intercostal 5. Describe the pathway of blood flow in hepatic portal cir- culation. Use a specific example to explain the purpose of portal circulation. (pp. 304-305) 6. Begin at the right ventricle and describe the pathway of pulmonary circulation. Explain the purpose of this path- way. (p. 299)