4. Giant squids have the largest eyes of any animal on the planet. There/Their/They’re eyes are as big as your entire head!
5. There/Their/They’re are super-tiny creatures called mites living in our eyelashes, munching on dead skin (ew). But don’t worry: There/Their/They’re totally harmless!
6. The size of our pupils (the black dots in our eyes) can show how someone is feeling. For example, when people look at someone they love, there/their/they’re pupils grow bigger.