Answer:
2 because the central nervous system includes the brain, cerebellum, cerebrum, brain stem, etc.
Answer:
Nucleic Acid
Good luck with your schooling :)
Her nerves send signals of pain to her nervous system and back to her finger and then she feels the pain.
1. The sun or heat
2. It becomes Runoff
3. Animals breath in oxygen and release carbon.
4. It makes nitrogen available to other organisms
