Coccyx vertebrae are located in:
Correct answer: C. Pelvic region
- A. Cervical region
- B. Lumbar region
- C. Pelvic region
- D. Thoracic region
Explanation
The coccyx, also known as the tailbone, is a small, triangular bone resembling a shortened tail located at the bottom of the spine in the pelvic region. It is composed of three to five coccygeal vertebrae or spinal bones.The cervical spine is the most superior portion of the vertebral column, lying between the cranium and the thoracic vertebrae. It consists of seven distinct vertebrae.The thoracic spine is the longest region of the spine, and by some measures it is also the most complex. Connecting with the cervical spine above and the lumbar spine below, the thoracic spine runs from the base of the neck down to the abdomen.The thoracic spine has 12 vertebrae stacked on top of each other, labeled from T1 down to T12The lumbar spine (lower back) consists of five vertebrae in the lower part of the spine, between the ribs and the pelvis. The five lumbar vertebrae are numbered L1 to L5
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Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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