1. How well do you really know your brain? Pretest

2. 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. 5.What percentage of your daily calories does your brain take it? 4. What is your brain mostly composed of? (composition) (not types of cells)

4. 6. Are male brains bigger than female brains? Explain

5. 7. How many cells are in your brain? 8. Does your brain have more cells or pathways? Shhh…I’m stimulating my brain cells 9. Can your brain make new brain cells?

6. 10. How much surface space does your brain have?

7. 11. How much CSF do you make per day? 12. What color is your CSF? 13. What is CSF made out of? Cerebral Spinal Fluid

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