5 Good Reasons to have a Personal Trainer. 1  Mix It Up with Cross Training. 2  Teaching vs. Showing. 3  Set-A-Pace. 4  Turn Weaknesses Into Strengths. 5  Accountability.
The vertebral artery is a major artery of the neck that passes through the cervical vertebrae. There are two vertebral arteries, one on each side, and each branches off from the subclavian artery. They merge to form the single basilar artery at the base of the brain.
Within the vertebral column (spine) of vertebrates, including the human spine, each bone has an opening at both its top and bottom to allow nerves, arteries, veins, etc. to pass through.he human skull has numerous holes (foramina) through which cranial nerves, arteries, veins and other structures pass.