What happens at the thoracic duct?
It receives lymph.
How does the way lymph drains from the right thoracic duct differ from the way it drains from the left thoracic duct?
The main collecting duct for the lymphatic system is the thoracic duct located alongside the aorta in the thoracic region of the body. Most lower body lymph (lymph from the front and back of both legs and the abdominal area) migrate to the thoracic duct then from the duct, lymph dumps into the left subclavian vein. The lymph then becomes part of the vascular system and the lymphatic process starts all over again.