10 Weird but True Facts About the Human Immune System

The human immune system is one of the body’s most complex and fascinating defence mechanisms. It works tirelessly to protect us from infections, bacteria, viruses, and other harmful invaders. While most people understand its basic role, there are many strange and lesser-known facts about the immune system that highlight just how remarkable it truly is. These weird yet true details reveal how much more there is to learn about our body’s natural protector.