#11 Chromosomes and dna
#12 Cells
The largest cell in a human body only occurs in women; the egg. The smallest cell in a human body only occurs in men; a sperm cell. Yet, when they combine, they can result in an entirely new human being. For the perpetuation of the species, neither is more important than the other, either.
Ha! Now that is a good one.
I thought people might like that little commentary.