Female anatomy

1. Fallopian tube / oviduct
2. Bladder
3. Pubic bone
4. Clitoris
5. Urethra
6. Labia minora (inner lips)
7. Labia majora (outer lips)

8. Ovary
9. Colon
10. Uterus
11. Cervix
12. Rectum
13. Vagina
14. Anus
15. Bartholin's gland (it produces mucus for lubrication, it resembles the Cowper's gland of a male)

Male anatomy

1. Bladder
2. Pubic bone
3. External urethral sphincter (circular muscle)
4. Penis
5. Erectile tissue
6. Glans (of the penis)
7. Foreskin
8. Urethral opening

9. Colon
10. Rectum
11. Seminal vesicle
12. Prostate gland
13. Cowper's gland (it produces mucus to lubricate the glans and to remove urine from the urethra)
14. Anus
15. Vas deferens / sperm duct
16. Epididymis
17. Testis
18. Scrotum