1. Heaviest internal organ in the human body   Stomach   Large intestine   Pancreas   Liver   Heart   Hint Half-n-half Clue   2. Smallest bird   Kittiwake   Hummingbird   Sparrow   Kiwi   Kingfisher   Half-n-half Clue   3. Fastest land animal   Hare   Cheetah   Tiger   Gazelle   Antelope   Half-n-half Clue   4. Strongest muscle in the human body   Masseter (jaw muscles)   Abdomen Muscles   Sartorious   Cardiac Muscles   Eye Muscles   Half-n-half Clue   5. Fastest marine animal   Sperm Whale   Killer Whale   Squid   Dolphin   Shark   Half-n-half Clue   6. Longest venomous snake   King Cobra   Python   Krait   Viper   Rattlesnake   Half-n-half Clue   7. Tallest land animal   Polar bear   Rhinoceros   Elephant   Giraffe   Antelope   Half-n-half Clue