You’ve totally caught me out again! I’m going to have to look this up but before I do, let’s think about it.
Firstly, I know that we’re mostly made from water….not as much as a lettuce but pretty close, I think about 70%. So we’ll have Hydrogen and Oxygen. And while we’re at it, probably nitrogen too since we live in this atmosphere.
Secondly, we’re carbon based life forms so obviously there is a bit of that thrown in. And our bones contain calcium too so that’s another one.
Third, then we’ve got metals in our bodies too like iron and zinc so there’ll be some of those…..
Okay, that’s as far as I’m willing to guess. Let’s see what the internet says: