Question

how are adolescent changes in body shapes of boys and girls different

Answer 1

in boys: height increases
hairs began to grow in pubic reasons and in armpits.
erect of penis and increasing the size of penis
pimples began to grow
in girls : height increases
they began to menstruate
hairs began to grow in armpits and pubic reasons.
pimples began to grow
breast size began to increasing
and widening of reasons below the stomach.

These changes are important for both boys and girls

Answer 2

see in 8 the class ncert science book