
A Great Journey Inside Your Brain
How does the brain work? Your brain contains billions of nerve cells. There are about 100 billion of them, about as many as the stars in the Milky Way! You get most of them at birth, but as you get older, your brain keeps producing new ones. Neurons send somewhere between 5 to 50 messages every second!
Neurons work so hard they produce enough energy to light up a low voltage LED bulb. Bot just one neuron can’t do much by itself, so they work together as teams. They talk in their secret language of electrical and chemical signals. And when you do something again and again, so the same signal…
The skinny
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