There are around 10 billion neurons in the brain.
Estimated 1-6 tb
Around 100 trillion
One estimate of 1020 bits is actually an early estimate (by Von Neumann in The Computer and the Brain) of all the neural impulses conducted in the brain during a lifetime. This number is almost...
There are over 400,094,800 cells in the human brain, while the entire body has about 50 to 75 trillion cells.