What is that foul odor? In this smelly BrainPOP movie, Tim and Moby teach you about your sense of smell and how it works! You’ll learn about why you can smell food cooking in another room, what cells make up human scent organs, and how many different kinds of odors these cells can detect! You’ll also discover how certain hairs and nerve signals help you distinguish one scent from another. Plus, see how you can detect odors in concentrations as small as one part per million in the air, what animals have super smelling senses, and how your nose can save your life! Information never smelled so sweet!

Watch the Health movie about Smell »