Lymphatic ducts deliver lymph to the cardiovascular system proximal to the
A) external jugular veins.
B) inferior vena cava just below the right atrium.
C) internal jugular and subclavian veins.
D) superior vena cava and azygos vein.

Question

Quizplus · Accepted Answer

The internal jugular and subclavian veins join to form the brachiocephalic veins, which then merge to form the superior vena cava. Lymphatic ducts deliver lymph to the cardiovascular system via the junction of the internal jugular and subclavian veins. Therefore, option C is correct. Options A, B, and D are incorrect as they do not correctly describe the location where lymphatic ducts empty into the cardiovascular system.

Lymphatic Ducts Deliver Lymph to the Cardiovascular System Proximal to the