1. How well do you really know your brain?

2. Brain Facts 1.How much does your brain weigh (adult)? 2.How much at birth? 3.Your brain accounts for what percentage of your total body weight?

3. Brain Facts 4. What is your brain mostly composed of? (composition) (not types of cells)

4. Brain Facts 5. Are male brains bigger than female brains? Explain

5. Brain Facts 6. How many cells are in the brain? 7. Does the brain have more cells or pathways? 8. How much surface space does the brain have?

6. 9. How much CSF do you make per day? 10. What color is your CSF? 11. What is CSF made out of? Cerebral Spinal Fluid

7. 12. You only use 10%-15% of your brain… Is this true? Explain