Pubertal changes begin when a threshold of __________ and results in biological changes in an adolescent's anatomy, physiology, and physical appearance.

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Pubertal changes are often initiated when a certain threshold of body fat is reached, which is a signal for the body that it has enough energy reserves to support the onset of puberty. This is why the timing of puberty can vary widely among individuals and is not solely dependent on reaching a specific age or height. Rites of passage are cultural and social markers and do not directly trigger biological changes.

Pubertal Changes Begin When a Threshold of __________ and Results