Answer:
1.  Estrogen              Progesterone            <u>Testosterone</u>
Testosterone is mainly the male hormone whereas the other two are mainly found in women.
2. <u>Amoeba</u>               Embryo                       Fetus
Amoeba is a single cell organism whereas embryo and fetus are the embryological development stages.
3. <u>Thymus  </u>               Amniotic sac              Placenta
The thymus is an organ that takes part in the immune system whereas the other two are the structure form during pregnancy.
4. Fallopian tube       Vagina                       <u>Prostate</u>
The prostate is a male reproductive organ whereas the other two are female reproductive organs.
5. Seminal Vesicle    Vas deferens            <u> </u><u>Ovaries</u>
Ovaries are female reproductive organ whereas the other two are male reproductive organs deal with ejaculation.
6. Urethra                Bladder                       <u>Testes</u>
The testis is an organ that stores the sperms in it and the other two belong to the excretory system.
7. <u>Condom</u>               Tubal ligation              Vasectomy
tubal ligation and vasectomy both are surgical procedures while a condom is external for preventing pregnancy.
8. Tuberculosis           Chlamydia                  <u>Trichomoniasis</u>
Trichomoniasis is caused by protozoa while the other two caused by bacteria
9. <u>1st ejaculation</u>         Menopause              Onset of menstruation
1st ejaculation is not a stage like the other two of the menstruation cycle.
10. Cervix                    <u>Urethra</u>                      Prostate
The urethra is the part of the excretory system mainly rest two are reproductive parts.