2. Humans only use 10% of their brain or less  False!

3. The brain uses 20% of the energy we consume each day  True!

4. Mental abilities are separated into discrete left and right “halves”  False!

5. New neurons cannot be created  False!

6. The brain makes up 2% of our body weight  True!

7. The brain does not change after growth that occurs during adolescence  False!

8. A nerve is a single cell  False!

9. The brain uses 50% of the oxygen we breathe in False!

10. The longest cells in the human body are in the sciatic nerve  True!

11. The human brain is firm and grey  False!