Mystery #1Tier 2hormones / body
Why do you get grumpy and short-tempered when you're really hungry?
You skipped lunch, and suddenly the tiniest thing sets you off: a lost pencil, a silly joke, and you snap. You're not usually this grumpy. Somehow an empty stomach has soured your whole mood. How can being hungry reach all the way up to your temper?
Your guess
What's your hunch about how an empty tummy could turn your mood grumpy?
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.
Make a guess to unlock the hints and the answer.