1. Fig. 22-2. Blood and lymph capillaries

2. Fig. 22-3 Lymphatic vessels have valves allowing lymph flow toward the veins. How is this like Fig. 21-6?

3. Fig. 22-1. Distribution of the lymphatic system

4. Fig. 22-4a. The lymphatic system is not bilaterally symmetrical

5. Fig. 22-4b. Lymphatic system drains into the subclavian veins.

6. Fig. 22-4c. Thoracic duct.

7. Fig. 22-7. Structure of a lymph node. Note path of fluid movement through the node. What happens to the fluid as it passes through the node?