86 billion nerve cells (neurons) in the brain! 86,000,000,000.
Messages are sent from neuron to neuron by passing special chemicals
These chemicals cross a space that separates one neuron from another.
To find the name of this space between neurons, follow the lines from
each letter. Click and drag the letters on the left into a box to
spell the name of this space.
Hear the answer.
[Back to Games] | [Back to Table of Contents]