Naturvetenskap: Biologi: Vilket grundämne är näst mest förekommande i människokroppen?

Frågor

"Today, I consider myself the luckiest man on the face of the earth."?

"You know how to whistle, don't you, Steve? You just put your lips together and... blow."?

"Play it, Sam. Play As Time Goes By."?

"A census taker once tried to test me. I ate his liver with some fava beans and a nice chianti"?

"Louis, I think this is the beginning of a beautiful friendship"?