1. What do you know about the brain?

2. How much does a normal adult brain weigh? A. 1.5 kilos B. 0.5 kilos C. 2.0 kilos D. 2.5 kilos

3. How many parts does your brain have? 1. 1 2. 2 3. 3 4. 4

4. How much of the oxygen you take in does your brain use? 1. 2% 2. 12% 3. 20% 4. 22%

5. The 'cerebrum' (where you think) has two halves called 'hemispheres. 1. true 2. false

6. Left-brained people are good at art and creative subjects. 1. true 2. false

7. What does the brain look like? 1. an oval orange 2. an almond 3. a greasy grape 4. a wrinkled walnut

8. Dolphin brains are bigger than humans' brains. 1. true 2. false