Rapid increases in height and weight; girls typically start around ages 10–12, while boys follow about two years later.
Development of primary and secondary sex characteristics, including breast development and menstruation in girls, and testicular/penis growth and voice deepening in boys. adolescence
Physical development is driven by a surge in hormones like testosterone in boys and estrogen in girls. Rapid increases in height and weight; girls typically
Increased body hair, skin changes like acne, and the development of body odor. Adolescent Development - Cleveland Clinic Rapid increases in height and weight
Adolescence is the transformative phase of development between childhood and adulthood, typically occurring from ages 10 to 19 or into the mid-20s. It is defined by rapid physical, cognitive, and social changes as individuals transition toward independence. Physical Features (Puberty)