Poll Results

Total votes: 2198

Nope, I'm intact!: 768 (34.9%)
Wisdom teeth: 649 (29.5%)
Teeth: 186 (8.5%)
Some other bit: 154 (7.0%)
Tonsils: 148 (6.7%)
Hair: 120 (5.5%)
An appendix: 78 (3.5%)
Other internal organ: 42 (1.9%)
A gall bladder: 26 (1.2%)
A digit: 12 (0.5%)
An eye: 8 (0.4%)
A limb: 7 (0.3%)

A few people wrote in "foreskin", which was an option I completely forgot about when I assembled the poll question.