Mystery #1Tier 1allergies and immunity
What is really going on inside you when you have an allergic reaction?
Imagine your body has a brilliant little army that fights off germs and keeps you well. Most of the time it is spot on. But sometimes it charges into battle against a peanut, or a speck of pollen, or a bit of cat fur, things that could never actually hurt you. What on earth is going on inside you when that happens?
Your guess
What do you think is happening inside your body during an allergic reaction?
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.