Brain Quiz

1. What is the approximate weight of an adult human brain?

a) 0.5 kg b) 1.0 kg c) 1.4 kg d) 2.0 kg

2. What percentage of the body's total oxygen does the brain use?

a) 5% b) 10% c) 20% d) 30%

3. How many thoughts can the human brain generate per day?

a) About 10,000 b) About 30,000 c) About 50,000 d) About 70,000

4. At what average speed does information travel in your brain?

a) 68 mph (109 km/h) b) 168 mph (270 km/h) c) 268 mph (431 km/h) d) 368 mph (592 km/h)

5. What percentage of the body's total energy does the brain consume?

a) 5% b) 10% c) 20% d) 30%