Sometimes it’s stinky; sometimes it’s crusty; and sometimes it’s slimy. Explore why your body produces mushy, oozy, crusty, scaly and stinky gunk at “GROSSOLOGY: The (Impolite) Science of the Human Body,” our most popular exhibit ever in its 2007 visit!

Based on the best-selling book Grossology, sophisticated animatronics and imaginative exhibits tell you the good, the bad and the downright ugly about runny noses, body odor and much more.

Take a “Tour du Nose” to explore 10 nasal features, including how your snoot acts as an air filter, a smell sensor and a mucus producer.

Mimic the build-up of acid indigestion by causing the “Burp Machine” to release a giant belch. Explore the role of the kidney in a virtual reality experience in “Urine: The Game.” Climb a large-scale replica of human skin, and discover other mysterious ways your body’s biology does what it needs to do to keep you healthy.