Four simple facts of your brain

1. Your brain weighs around 3 pounds or approximately 1.4 kg.

2. Your brain needs a constant supply of oxygen and uses around 20% of all the oxygen you breathe. If the brain is deprived of oxygen for 10 minutes, the brain will suffer damage.

3.Weight of brain as a percentage of the total body weight (150 pound human) = 2%.

4. The entire brain is made up of nearly 60% fat and demands 25% of the blood from each heart beat.