1. Largest predatory fish   Swordfish   Electric Eel   Great White Shark   Piranha   Catfish   Hint Half-n-half Clue   2. Heaviest dog (breed)   Irish Wolfhound   Great Dane   Bull Dog   English Mastiff or St. Bernard   German Shepherd   Half-n-half Clue   3. Largest land animal   Giraffe   Elephant   Rhinoceros   Lion   Hippopotamus   Half-n-half Clue   4. Longest bone in the human body   Humerus   Back bone   Tibia   Ulna   Femur   Half-n-half Clue   5. Smallest bird   Sparrow   Hummingbird   Kingfisher   Kittiwake   Kiwi   Half-n-half Clue   6. Heaviest internal organ in the human body   Heart   Pancreas   Large intestine   Stomach   Liver   Half-n-half Clue   7. Most common non-contagious disease   Typhoid   Tooth decay   Malaria   AIDS   Cholera   Half-n-half Clue