Some very interesting facts

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1. You can not breathe while you swallow.If you try to, you will choke.This is because a small flap at the end of your throat covers your breathing pipe when you swallow.When you breathe it covers your food pipe instead. 2. The lon gest word in English language according to the English Oxford dictionary is -pneumonultramicroscopicsilicovolcanoconiosis. 3. Your body has certain cells called immune cells that recognises germs when they enter our body.Then they attck the germs and kill them. 4. Cirrus clouds are thin and wispy.They float very high in the sky.Nimbo-stratus clouds are dark and heavy and float very low in the sky.Cumulus clouds look like heaps of cotton.They float lower than cirrus clouds but not as low as the rain clouds. 5. Between Mars and Jupiter,lies a belt of rocks.These rocks are called Asteroids.They are also a part of ouyr solar system.