Here's something that'll make you giggle: the human body produces over 25,000 quarts of snot in a lifetime - that's a lot of nasal nastiness! And, on a more gross note, our bodies are home to over 60,000 miles of blood vessels - that's longer than the circumference of the Earth!
So, what do you call the tiny folds in our intestines that help us absorb nutrients? The answer is: villi! These tiny finger-like projections are like tiny ninja warriors, fighting to get us the nutrients we need to survive.
Human Anatomy Quiz at Darcy Sunderland blog