1. The central nervous system including brain and spinal cord.
2. The peripheral nervous system including nerves coming out from the brain and spinal cord, i.e., cranial nerves and spinal nerves.
3. The autonomic nervous system including sympathetic nervous system and parasympathetic nervous system.
An embryonic stem cell is the first cell in the embryo, this is what creates a human and helps more cells to form.
ANSWER:
Index Fossils can be used to identify a specific period of time
(E) none of the above statements are true
rain almost always comes from west to east so the western side of the mountain ranges would get more rain. A and C are not very relevant to the question<span />