Mixing water and sugar is a physical change. A physical change is just a change in the form of the substance, whereas a chemical change is when the substance itself changes… chemically. An easy way to figure out which is which is trying to "undo" the change. If it can be undone, it is physical.
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 !!
