Boys: Voice breaks, Facial hair develops, Muscle develops more rapidly, Testes begin producing sperm, Girls: Voice deepens gradually, Hips widen, Breasts begin to develop, Ovulation begins and menstruation starts., Both: Pubic hair begins growing., Underarm hair begins growing, Sexual organs grow and develop, increased amounts of hormones are produced,

Changes During Puberty

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？