Mystery #1Tier 2the body / emotions
Why do salty tears spill out of your eyes when you feel sad?
Chop an onion and your eyes water. Get a speck of dust in them and they water too. But nobody chopped anything when you cry at a sad film, and there is no dust in sight. Somehow a feeling all on its own can make salty water pour from your eyes. How does a feeling turn into a tear?
Your guess
What do you think starts the tears when you feel sad?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
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