Functional Anatomy

The vertebral column serves as the central supporting structure for the head and trunk and provides bony protection for the spinal cord. It consists of 33 vertebrae: 7 cervical, 12 thoracic, 5 lumbar, 5 sacral (fused to form the sacrum), and 4 coccygeal, which are usually fused ( Fig 248-1).

FIG. 248-1. The vertebral column. There are three vertebrae divided into cervical, thoracic, lumbar, sacral, and coccygial.

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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