The things they say!

Yesterday, on the way to kindergarten, my 4 (nearly 5) year old son and I were talking about breathing....

Jake: Mummy, nostrils are like tubes that go into your lungs, right?

Me: That's right. Do you know what we breathe in through those tubes?

(I was expecting a simple answer like "air")

Jake: Oxygen

(Impressed)

Me: And what do we breathe out?

Jake: Bi-carb soda

That's my boy!!