Head and neck anatomy may be important in the development of the BBB. Astrocytes may also be responsible for transporting ions (electrolytes) from the brain to the blood. Blood from the brain and neck flows from: (1) within the cranium via the internal jugular veins, a continuation of the sigmoid sinuses. The right and left external jugular veins drain from the parotid glands, facial muscles, scalp into the subclavian veins. The right and left vertebral veins drain the vertebrae and muscles into the right subclavian vein and into the superior vena cava, into the right atrium of the heart. The lymphatic system drains the
The Blood Line to the Blessing- causing it to disperse immortality to the whole human race as a 'defence' to a perceived 'attack'-, and furthermore is simply the first part in a larger plan to assert control of the world. By stopping death and destabilizing the economy, the Families are now poised to take control of the banks, thereby influencing the world governments, eventually leading to a fascist oligarchy which can "decide who lives, how long, where, and why." When Jack moves to open his veins and release his blood into the Blessing (reasoning that his now-mortal blood would 'prompt' the Blessing to