Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Blood vessels
Transverse cervical veins
Superficial and deep branches from the transverse cervical artery (picture is of artery, not vein. However, vein is in similar location.)
The veins of the neck, viewed from in front (transverse cervical veins not labeled, but region is visible)