Most people don’t know that the busiest muscle in a cat’s body is their tongue. People also might not know that the tongue isn’t just used to lick your hands or drink water. It’s used as a survival mechanism and evidence eraser. But there’s also more to a cat’s tongue than you’d think. It’s not just building up hairballs or tasting the Purina or Salmon in your cupboard. Here are five interesting facts about a cat’s tongue…..