The vertebral column usually consists of 33 vertebrae<span>: 24 presacral vertebrae (7 cervical, 12 thoracic, and 5 lumbar) followed by the sacrum (5 fused sacral vertebrae) and the coccyx (4 frequently fused coccygeal vertebrae).
i listed more than what your question showed, and i hope my answer helps!</span>
Answer:
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
I can’t help much but I do know that homozygous means having identical alleles and heterozygous means having different alleles.
Answer: B. It protects the inner organs
Explanation: For example, your ribs protect the lungs, heart, stomach, and more!
