The human body comes in lots of different shapes and sizes but most are made up of the same parts which do the same job. We all have a skeleton. The bones in your skeleton help you stay standing ...

Now, you're going to feel this, again, in your quad, there in the front part of your life ... Well done, everybody. You had a full body workout in just 10 minutes. Great job.

Scientists are exploring that futuristic vision by using special 3-D printers to make living body parts. Called bioprinters, these machines use human cells as “ink.” A standard 3-D printer ...