Sexual characteristics

Sexual characteristics refer to the differences between the sexes. A distinction is made between primary and secondary sexual characteristics: The primary ones serve directly for reproduction and have been present since birthAnother word for the birth of a child.. Secondary sexual characteristics only develop during pubertyPuberty is the period when children grow into adults. Puberty involves many physical and emotional changes and is a very challenging time. (e.g. breastsThe two female breasts together are usually called bosoms., beard growthDuring puberty, hair grows not only around the genitals or under the arms, but also on the face, i.e. above the upper lip, on the chin and on the cheeks. It is male sex hormones (androgens) that cause beard growth. Beard growth is also refe..., deep voice) and are not directly necessary for reproduction.