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 Book Books," which would give insight into the minds of two characters from his Circle Series, presumably Thomas Hunter and an enemy. As time went on, the two books merged into a single book. In 2009, Ted released "Immanuel's Veins", in which a Blood Book plays a significant role. On his Facebook page, Ted Dekker posted suggesting that he would not publish "The Blood Book", but after much protest from his fans, he consented. In 2011, in an effort to promote his newest thriller novel, "The Priest's Graveyard", Ted began a campaign entitled "Share the Love". Participants had to pre-order at