1) What is the animal without heart and brain? a) Octopus b) Jellyfish c) Pawn d) shark 2) What is the largest organ in human body? a) Skin b) Lungs c) Muscle d) Kidney 3) What is the largest plant in solar system? a) Mercury b) Saturn c) Jupiter d) Uranus 4) Which part of the brain control balance and coordination? a) Cerebellum b) Cerebrum c) Medula d) Brain stem 5) Which organ produces bile to help digest fats? a) Kidney b) Liver c) Gallbladder d) Pancreas

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