Question

puberty defination
changes in boys and girls during puberty

Answer 1

puberty is the period when an organism reproductive system become able to produce new youngones ... symptoms in girls are shrillness in voice, growth of breasts ; menstruation occurs; ovulation starts ; estrogen and progesterone harmone production )) and in boys are growth of moustaches; body hair ; production of testesterone harmone and sperms ; deepening of voice etc.

Answer 2

puberty is the period of reproductive maturity which lies between the age of 10-19.during this period a child's body undergoes many changes physically and mentally.

changes in boys:

growth of facial hair,moustaches and beards.

hair starts growing on chest .

voice becomes harsh.

changes in girls:

breasts begin to develop.

hair grows in arm pits.

increase in height