I'm pretty sure it's to boost dental health. fluoride is used to prevent cavities and tooth decay, so i'm assuming its option 3.
Answer : part of the male reproduction system
Explanation: the testes are where the sperm are produced
Answer:
1. head 2. arm 3. back 4. waist 5. buttocks/ backside 6. leg 7. face 8. chest
9. stomach 10. hip 11. hand 12. foot 13. eye 14. eyebrow 15. nose 16. mouth 17. chin
18. hair 19. ear 20. lips 21. neck 22. nail 23. thumb 24. finger 25. wrist 26. palm 27. shoulder 28. forearm 29. upper arm 30. elbow 31. knee 32. thigh 33. shin 34. calf 35. ankle 36. heel 37. toe
