If you didn’t have any muscles at all, would you be able to move about like the skeleton in Casing the Joint? Imagine what it would be like if your muscles were extremely weak. Would you even be able to sit upright?

On the other hand, if you exercise a lot, what happens to your muscles?

Launch it ... Try to Pump Some Iron and find out.

What would we look like if we had no bones in our bodies? There are some species that don’t have any bones at all, jellyfish for instance. How do you think we would move around if we were built like a jellyfish?

Launch it ... Have a look at Extreme Limits and see how far we can push our bones. WARNING: Extreme Limits is extremely gory!

And finally, what do you know about how nerves work? Test your nerve knowledge and find out.

Launch it ... Test your nerve know-how and piece together the stages in the Nerve Wrecker game.
Did You Know ... ?
Teachers' Notes ... For Teachers' Notes on this subject, click here