Snakes are pretty terrifying creatures, right? But did you know exactly how dangerous than can be?
This interesting video from The Nature Of Science shows how venom works and what happens when it courses around your entire body. Let's put it this way: it's not great.
From clotting blood, causing paralysis and destroying living cells, venom is pretty nasty stuff - whether it's from a snake or a box jellyfish.
Never knew what the difference between venom and poison is? Watch the video below and you'll find out...