1. Heaviest internal organ in the human body   Pancreas   Large intestine   Heart   Stomach   Liver   Hint Half-n-half Clue   2. Fastest marine animal   Sperm Whale   Dolphin   Shark   Squid   Killer Whale   Half-n-half Clue   3. Fastest flying bird   Eagle   Peregrine Falcon   Seagull   Kingfisher   Kite   Half-n-half Clue   4. Tallest dog (breed)   Great Dane   Greyhound   Labrador   Dalmatian   Dobberman   Half-n-half Clue   5. Largest predatory fish   Electric Eel   Great White Shark   Piranha   Catfish   Swordfish   Half-n-half Clue   6. Longest snake   Reticulated Python   Anaconda   Boa Constrictor   King Cobra   Viper   Half-n-half Clue   7. Fastest growing plant   Coconut   Banyan   Ferns   Palm   Bamboo   Half-n-half Clue