Opening the interior ones usually proves fatal, giving rise to a popular idiom.
There are four of them in the human body, and they get their name from the Latin word for collarbone. The external ones drain surface regions of the head and neck, while the internal ones carry blood from deeper neck tissues and from the interior of the skull. Opening the interior ones usually proves fatal, giving rise to a popular idiom. FTP, name these large veins of the head and neck.
There are four of them in the human body, and they get their name from the Latin word for collarbone.
{Jugular} Vein