what are some of the common physical changes for boys and girls during puberty?

Brief Explanations:

During puberty, boys typically experience growth of the testes and penis, facial and body hair growth, deepening of the voice, and increased muscle mass. Girls usually have breast development, growth of pubic and under - arm hair, onset of menstruation, and widening of the hips.

Answer:

For boys: Growth of testes and penis, facial and body hair growth, deepening of voice, increased muscle mass. For girls: Breast development, growth of pubic and under - arm hair, onset of menstruation, widening of hips.