A one-page educational anatomy sheet describing the human spine. It states that the spine comprises 26 bones (24 movable vertebrae plus the sacrum and coccyx), enumerates regional counts (7 cervical, 12 thoracic, 5 lumbar; sacrum of 5 fused vertebrae; coccyx of 3–5 fused bones), and notes intervertebral disks act as shock absorbers. The sheet cites NIAMS/NIH as the source and includes LifeART image copyright.
Questions this document answers
26
7
12
5
5