Add Yahoo as a preferred source to see more of our stories on Google. The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, ...

Human anatomy still has a few surprises in store for us: researchers have discovered a previously overlooked section of our jaw muscles and described this layer in detail for the first time. Human ...

As you bite into a crisp apple, your jaw muscle contracts, allowing you to grind the fruit between your teeth. When you climb a flight of stairs, your gluteus maximus (or "glutes") push your body ...