Fig Blood and lymph capillaries

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

Fig Distribution of the lymphatic system

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

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

Fig. 22-4c. Thoracic duct.

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