The document lists and diagrams the main male and female sex organs involved in human reproduction. For males it includes the testes, epididymis, vas deferens, seminal vesicles, prostate gland, cowper's gland, urethra and penis. For females it includes the ovaries, fallopian tubes, uterus, cervix, vagina and external genitals. The prostate and seminal vesicles mix secretions with sperm to form semen, which helps maintain the viability of sperm.

1. Human Reproduction The Sex Organs

2. Male sex organs

7. kidney

8. kidney ureter

9. kidney ureter bladder

10. kidney ureter bladder prostate gland

11. kidney ureter bladder prostate gland cowpers gland

12. kidney ureter bladder prostate gland cowpers gland urethra

13. kidney ureter bladder prostate gland cowpers gland urethra vas deferens

14. kidney ureter bladder prostate gland cowpers gland urethra vas deferens seminal vesicle

15. kidney ureter bladder prostate gland cowpers gland urethra vas deferens seminal vesicle testis

16. kidney ureter bladder prostate gland cowpers gland urethra vas deferens seminal vesicle testis epididymis

17. kidney ureter bladder prostate gland cowpers gland urethra vas deferens seminal vesicle testis epididymis scrotal sac

18. kidney ureter bladder prostate gland cowpers gland urethra vas deferens seminal vesicle testis epididymis scrotal sac penis

19. Male sex organs The prostate (NOT prostrate) and seminal vesicles mix secretions with the sperm to form semen (not seaman, or even sailors!) These secretions are essential to maintain the sperm in a motile and viable state.

20. Female sex organs

23. kidney

24. kidney ureter

25. kidney ureter Fallopian tube

26. kidney ureter Fallopian tube bladder

27. kidney ureter Fallopian tube bladder uterus

28. kidney ureter Fallopian tube bladder uterus ovary

29. kidney ureter Fallopian tube bladder uterus ovary cervix

30. kidney ureter Fallopian tube bladder uterus ovary cervix vagina

31. kidney ureter Fallopian tube bladder uterus ovary cervix vagina urethra

32. kidney ureter Fallopian tube bladder uterus ovary cervix vagina urethra labia