Top 7 facts about human brain

1.The human brain is the largest brain of all vertebrates relative to body size.

2.The average male has a brain volume of 1,274 cubic centimeters.

3.The average female brain has a volume of 1,131 cm3.

4.The brain makes up about 2 percent of a human's body weight.

5.It contains about 86 billion nerve cells (neurons) — the "gray matter."

6.It contains billions of nerve fibers (axons and dendrites) — the "white matter."

7.These neurons are connected by trillions of connections, or synapses.