'There are over 10 billion of these cells in the brain, each part of the brain having its own type'
neurons
THE BRAIN: There are over 10 billion of these cells in the brain, each part of the brain having its own type
There are over 10 billion of these cells in the brain, each part of the brain having its own type
There are over 10 billion of these cells in the brain, each part of the brain having its own type
THE BRAIN
neurons
THE BRAIN