There is about 160,000,000,000 cells in human brain. Half of the number are neurons, which are rensponsible for all the "thinking" functions. The other half are "glial cells", which help neurons with...
Lots
1,00,000,000 if u drink....if u smoke....1,000,000,00 if u dont drink, smoke,or hitt ur self upsode the head 9,000,000,000,000,000,
There are around 200,000,000 brain cells in your brain.
5,637,238