OK, each person may post 1 number, the next one from previous post. Also say something about the number, say 10: Ah! 10! The first number with 2 digits. See how quick it'll take to get to 100
23. Hard number, let me think... (and look on wiki) Normal human sex cells have 23 chromosomes. Other human cells have 46 chromosomes, arranged in 23 pairs.