What are the main veins of the face, head, and neck?

The internal and external jugular veins are crucial structures in the venous drainage system of the face, head, and neck. The internal jugular vein collects blood from the brain, face, and neck, draining into the brachiocephalic vein, which then contributes to the superior vena cava. The external jugular vein primarily drains blood from the exterior of the cranium and deep parts of the face, channeling it into the subclavian vein.

This distinction makes the internal and external jugular veins significant in understanding the vascular system of these regions, as they play key roles in maintaining proper blood circulation and can also be involved in various medical conditions. In contrast, the other choices represent veins that serve different anatomical areas, thus are not the primary veins responsible for draining the face, head, and neck.