What's the question? I don't understand where the problem is.
A theory is like a hypothesis like an idea. Observation is to gain information like taking notes about what you see.
Brush your hair with a fork and sing a lot
1. brain
2. spinal cord
3. central
4. peripheral
5. nerves
6. network
7. muscles
8. organs
9. interprets
10. transmits
this was sort of a guess so im very sorry if it was wrong !!