I think the best answer is that the spinal fluid surrounds and protects the backbone. Also, it protects the brain from trauma. It acts as a shock absorber. It supplies nutrients to the nervous system tissue and removes waste products from the brain.
Glucose and Oxygen
Hope this helped you out
Iron should be in the 3d block
Answer:
molarity of the diluted substance you want to make
Explanation:
Their is really no explanation, you just have to know.
- Hope that helped! Please let me know if you need further explanation.