GENERAL HISTOLOGY

Detailed explanation-1: -The function of the external jugular vein is to drain blood from the superficial structures of the cranium and the deep portions of the face.

Detailed explanation-2: -External: The external jugular veins connect to the subclavian (sub-clay-vee-an) vein. The subclavian vein’s name means “under the clavicle.” The clavicles are also known as your collarbones. Internal: The internal jugular veins lead into the subclavian veins under your collarbones.

Detailed explanation-3: -The blood vessels that drain the head, neck, and upper extremities are known as brachiocephalic vein. The brachiocephalic vein is the most prominent blood vessel that arises from the junction of two blood vessels called the subclavian vein and jugular vein.