There's the solar panels of the cell, some switches that turn your genes on and off, the girders of the cell, motors that move your muscles.

If your body temperature rises, you start to sweat in order to cool down if your temperature falls, your muscles vibrate (shiver) to warm up.

It's also about 40 percent more efficient than a regular wheelchair, and because of the mechanical advantage you get from the levers, you can produce 50 percent higher torque and really muscle your way through the really, really rough terrain.