Labels:text | screenshot | black | black and white | font | document OCR: ng puberty The rapid increase in growth noted dur is a striking physical change. Before the ig. 13.6) are puberty, growth velocities and heights ( nset of growth similar for boys and girls, Girls start thei ce of breast spurt just before the first physical evider ore the development - on average two years be ttain a male pubertal growth spurt. Thus, boys rtal growth greater height before beginning the pube wth spurt. In addition, boys achieve more gr girls. The during the pubertal growth spurt than d the combination of these two factors leads to and differential heights between adult males females. See later: · Prediction of Stature Changes in Body Proportion in Pubert owth . Hormones Involved in the Pubertal G Spurt
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