'Tis the season, so here's the list, ya ghouls:
Number 10. Nail and hair growth.
Number 9. Brain activity.
Number 8. Skin cell growth.
Number 7. Urination.
Number 6. Defecation.
Number 5. Digestion.
Number 4. Erection and Ejaculation.
Number 3. Muscle movement.
Number 2. Vocalizations.
Number 1. Giving birth.