1- An adult brain weighs about 3 pounds.
2- The largest brain of any animal is that of the sperm whale. It weighs about 20 pounds.
3- Headaches are caused by a chemical reaction in your brain combined with the muscles and nerves of your neck and head.
4- The human brain will grow three times its size in the first year of life. It continues to grow until you are aout 18 years old.
5- The brain of human contains approximately one hundred billion neurons.
6- Cholesterol is the key to learning and memory.
7- The brain cant feel pain. It interprets pain singals sent to it, but it does not feel pain.
8- Computer and video games may help improve congnitive abilities.
9- Our brain uses 20 percent of the oxygen and blood in our body.
10- During the mummification process, egyptians would usually remove the brain through nose.