The correct answer is C. It's very obvious from the passage that the nerves may reach the distant regions like the sciatic nerve that communicates between the spinal cord and the toes. The nerve is a tissue that is composed of different types of cells. mainly, the nerve contains the nerve bundles. Each nerve bundle consists of a group of axons of nerve cells grouped together in a sheath. The nerve tissue an artery and a vein for the blood supply. The nerve may reach 2 meters long in some cases and may have branches.
<span>In humans, every system controls one process and multiple processes control the organs.
</span><span>- Redundancy = Safety/reliability of the system
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Hope this helps!
1. A
2. B (not 100% sure though)
3. A or B
The answer is D. ding ding ding