How does our body make electricity?

We may not be able to power our television sets or computers with the electrical signals we make -- but without them, we would be unable to tell our bodies what to do.

Every step that we take, every move that we make and everything that we do is enabled and controlled by the electrical signals that run through our bodies.

If you ever took physics, you might recall that everything is made up of atoms, and that atoms are composed of protons, neutrons and electrons.

Neutrons have a neutral charge, protons have a positive charge and electrons have a negative charge.

When there is an imbalance in these charges, an atom becomes positively or negatively charged. This matters because the switch between one charge and the other is what allows electrons to flow from atom to atom.

This flow of electrons, or a negative charge, is commonly known as electricity. We can generate electricity in our body because it has so many atoms.

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