Answer:
between c. 95,000 and c. 20,000 years
Explanation:
Answer:by rotation that is powered by the motive force
Explanation:
Injury to cervical vertebra c 3-c 4 is particularly problematic because C) the phrenic nerve that serves the diaphragm receives its fibers from here.
- The top portion of the spinal cord, which is made up of the seven cervical vertebrae (C-1 to C-7) in the neck, is located in the cervical region of the spine.
- Cervical spinal cord injuries are often the most serious kind of spinal cord injury because they affect a bigger area of the body and are closer to the brain.
- Tetraplegia or quadriplegia, which means there is little to no feeling or movement below the shoulders or neck, will develop from a cervical injury.
- The cervical spine's middle segment is made up of the C3, C4, and C5 vertebrae. Injuries to the cervical vertebrae C3–C5 are frequently severe because they inflict more harm to the central nervous system.
learn more about cervical vertebra here: brainly.com/question/20840479
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