Question

write a note on Secondry Sexual Characters.​

Answer 1

Explanation:

Secondary Sexual Characters are the characters which distinguish a boy from a girl. the secondary sexual characters of boys include hair on chest, under the arms, growth of beard and moustaches while secondary sexual character of girls include development of breasts and growth of hair under the arms and pubic region.

Answer 2

Answer:

Secondary Sexual Characters:—

Secondary Sexual Characters refers to the external features that distinguish a male from a female. the onset of puberty brings about a lot of changes in the body of the children. the undergoes development of secondary sexual characters in them.

Secondary Sexual Characters in girls :—

=> Their breasts start developing due to the secretion of female harmaone i.e. estrogens.

=>Milk secreting glands called mammary glands also develops the breast.

=>They develop public hair, hair on their armpits

Secondary Sexual Characters in boys:-

=>They grow moustache and beards.

=>They too develops public hair, hair in their underarms, and on their chest.

=>The testes in male release male harmones i.e. testosterone.

=>Occasional enlargement of penis.