The thoracic region has 12 vertebrae which are larger to allow the ribs to connect. The lumbar region has 5 vertebrae making up the lower back, the sacral region has 5 fused vertebrae and the coccyx, or tailbone, has 4 fused vertebrae. Answer and Explanation: 1 Become a Study.com m...
supports muscles of tongue and throat, sesamoid cervical 7 vertebrae thoracic 12 vertebrae lumbar 5 vertebrae sacrum 5 fused vertebrae coccyx tailbone, variable number of fused vertebrae cervical curvature curves ventrally, secondary thoracic curvature curves dorsally, primary, present at birth lumbar cur...
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The 12 thoracic vertebrae form the thoracic region and protect the vital organs of the trunk. The 5 lumbar vertebrae are the lower back and provide pelvic movement and the 5 vertebrae of the sacrum and the 4 vertebrae of the coccyx are fused for additional stability....
Vertebral column, in vertebrate animals, the flexible column extending from neck to tail, made of bones called vertebrae. The major function of the vertebral column is to protect the spinal cord; it also is an attachment for many muscles. In humans, it f