Human reproduction :
1 ) Sequential steps in the process of human reproduction gametogenesis , insemination internal fertilization , zygote formation and embryogenesis , gestation and parturition followed by lactation .
( 2 ) Primary Sex organs - testes ( testis : singular ) in male and ovaries ( ovary : singular ) in female .
( 3 ) Secondary or accessory Sex organs - Organs other than testis in male and organs other than ovaries in female .
4) Secondary sexual characters in males - Presence of beard , mustache , hair on the chest , muscular body , enlarged larynx ( Adam's apple ) , etc.
5) Secondary sexual characters in females - Developed breast , broader pelvis , high pitched voice , etc.
6) Sexual dimorphism: The phenomena by which sexes can be identified externally.
Comments
Post a Comment