Question

What are the changes undergone in boys and girls during adolescence?

Answer 1

During adolescence, their is a hormonal changes in human body and thus bcoz of it their is some changes in the bodies of common boys and girls
In boys : moustaches and beards grows up, deep and hard voice, enlargement of testes
In girls : low pitch voice, etc

Answer 2

$Heya\:mate$
during adolescence
the various changes that occur in
Boys: hair grow uder armpits and in public regions ( genetial area).hair also grow on the the other parts of the body like chest and face (moustache and beard etc.). body becomes more muscular due to development of muscles. the voice deepens or cracks. chest and shoulders broaden. the pennis and testes become larger. the testes start to make sperms. feeling and sexual drives associated with adulthood begin to develop. all these changes are brought about by the male sex hormone $Hormone$ made in testes.

Girls: hair grow uder armpits and in public regions ( genetial area). mammary glands(breasts) develop and enlarge. the hips broaden. fallopian tubes, uterus and the vagina enlarge. ovaries start to release eggs. menstruation(monthly periods) start. feeling and sexual drives associated with adulthood begin to develop.all these changes are brought about by the female sex hormones $Oestrogen\:and\:progestrone$ made in ovaries.

$hope\:it\:helps$