1. 1. A leech has 32 brains.
2. 2. Switzerland is the only country that has no mineral deposit.
3. 3. Some octopuses eat their arms off when they are stressful.
4. 4. The first machine to carry people up in the air was a ballon. It was built by the Mongolfier brothers and first flew in Paris in 1783.
5. 5. The blood of mammals is red, the blood is insects is yellow, and the blood of lobsters is blue.
6. 6. A snail has fous noses.
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