Answer:
a. Lymph duct--> lymph trunk--> collecting lymphatic vessels--> lymphatic capillaries
Explanation:
The lymph vessels are the thin walled vessels , as that of blood vessels , which carries lymph .
Lymph vessels are lined with the endothelial cells , and a layer of the smooth muscle and adventitia to bind the lymph with the surrounding tissues .
The origination starts from the duct followed by the trunk , then to the collecting lymphatic vessels and finally to the lymphatic capillaries .
