Question

Sacrum,Thoriac, Coccyx,Cervical,Lumbar

Answer 1

Answer:

Vertebrae are the 33 individual bones that interlock with each other to form the spinal column. The vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx. Only the top 24 bones are moveable; the vertebrae of the sacrum and coccyx are fused. The vertebrae in each region have unique features that help them perform their main functions.

Cervical (neck) - the main function of the cervical spine is to support the weight of the head (about 10 pounds). The seven cervical vertebrae are numbered C1 to C7.

Thoracic (mid back) - the main function of the thoracic spine is to hold the rib cage and protect the heart and lungs.

Lumbar (low back) - the main function of the lumbar spine is to bear the weight of the body.

Sacrum - the main function of the sacrum is to connect the spine to the hip bones (iliac).

Coccyx region - the four fused bones of the coccyx or tailbone provide attachment for ligaments and muscles of the pelvic floor.

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