Your Cells Are Alive! No, Really. It's Like They Have A Mind Of Their Own!
If you've never seen a white blood cell in action, you're going to really love this. Your white blood cells literally chase bacteria, grab them, and 'eat' them. It's like watching a police chase of blobs, except this is happening in your body right now.
Isn't that neat?! I was totally floored when I saw how "smart" white blood cells seem to be. How do they know where the bacteria is? Time to do some wikipedia research!