10 Interesting facts about the brain

The human brain is such a wonderful tool we have! I am always amazed at how it works and how much we can achieve if we learn how to use it for our own benefit..... our brain is a miracle in itself.....

These are some interesting facts I learnt about it...... 

1. The human brain has 100 billion neurons.
2. The adult brain continually generates new cells, this is called neurogenesis.
3. The brain is 60% white matter and 40% grey matter.
4. The brain is made up of about 75% of water.
5. There are no pain receptors in the brain.
6. At birth, the brain is almost the same size as an adult brain and contains most of the cells it will have throughout its life.
7. The cerebral cortex which is responsible for our "higher thinking functions" grows thicker as we grow older.
8. Humans have at around 70,000 thoughts a day!
9. It is believed that yawning is a sign that our brain needs more oxygen.
10. During sleep you consolidate all your memories from the day. Brain regions involved in learning the day before are reactivated during sleep.

What other interesting facts do you know about our amazing brain? I am sure there are a lot more!