The Big Question: Why do we get goosebumps?

We've all been there when it gets a bit chilly and you end up with goosebumps.

But have you ever wondered why and how we get them?

Well Lily has, so it's this week's Big Question!

Grab a jumper and wrap up warm...this one's pretty cool.

If you've got your own Big Question you would like us to answer get in touch!!