What Unusual Feature Do Human Fingerprints Share With Koala fingerprints? They’re identical under microscope They both fade with age They’re both spiral-shaped They’re both sticky Did You Know! Jumping Genes…

Which Human Cell Is The Longest In The Body? Muscle cell Neuron Skin cell Bone cell Did You Know! Auto-brewery Syndrome: A condition where the body produces alcohol internally due…

Which Of These Animals Has A Digestive System Most Similar To Humans? Pig Cow Dog Snake Did You Know! Kuru Disease: Kuru is a rare, fatal neurodegenerative disorder caused by…

Which Organ Was Once Thought To Be The Seat Of The Soul By Ancient Greeks? Brain Heart Liver Stomach Did You Know! The “Cinderella Syndrome” (Aquagenic Urticaria): This is an…

Which Of These Body Parts Has No Blood Vessels? Cornea Fingernails Ear cartilage Tongue Did You Know! Your heart can beat outside your body: If the heart is removed from…

Which Animal’s Bite Inspired The Invention Of The Modern Suture? Crocodile Mosquito Leech Ant Did You Know! You produce about 1 to 1.5 quarts of saliva every day: Saliva is…

What Is The Most Abundant Mineral In The Human Body? Iron Zinc Calcium Sodium Did You Know! The human body has a built-in defense against drowning: This is called the…

Which Of These Is The Hardest Substance In The Human Body? Bone Tooth enamel Cartilage Fingernails Did You Know! You have a “second brain” in your gut: Your digestive system…

What Is The Primary Source Of Energy For The Brain? Glucose Protein Fat Salt Did You Know! Your bones are constantly being replaced: The human skeleton is not static; it…