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Give answers to the following questions.
 
Explain the key physical changes that occur during adolescence in boys and girls, such as increase in height, changes in body structure, voice changes, hair growth, and acne, and also describe why these changes vary among individuals.
 
During adolescence, important physical changes occur in both boys and girls. There is a rapid increase in as bones grow longer, and also occurs with increase in weight and muscle development. The happens due to the growth of the voice box, becoming deeper in boys.  occurs in the armpits, pubic region, and facial areas, especially in boys. or pimples appear due to increased oil production in the skin. These changes are natural and are controlled by hormones released during puberty. However, the timing and rate of these changes vary from person to person. Some individuals grow earlier or faster than others. This variation is normal and depends on individual body conditions and hormone levels.