The hypothalamus drives these changes, increasing testosterone in all genders, which fuels both sexual thoughts and a desire for deep relational connection.
Puberty: Sexual Education For Boys and Girls (1991) (original title: Sexuele voorlichting The hypothalamus drives these changes
As the larynx (voice box) grows, the voice will deepen. During this process, the voice may "crack" or squeak unexpectedly. This is temporary and will stop once the vocal cords adjust. increasing testosterone in all genders
