Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And often you’re not even aware that they exist. There are tons of things we don’t know—or incorrectly assume we know—about how the human body works.
To shed some light on this topic, internet users shared some of the creepiest and coolest facts about the human body in an intriguing AskReddit thread. We collected the most interesting, spine-tingling ones to share with you, and you’ll find them below. Scroll down to learn something new that might just change how you see the world… and yourself.
