Question

Give me the answer of 19 and 22.
Chapter Reaching the age of adolescent.
class 8

Answer 1

$\underline\bold{\huge{Answer !!}}$

19. The term is used for the secretions of endocrine glands are hormones.

22. the functions of male sex hormone testosterone are following :-

i) it helps in development of secondary sexual characteristics like growing of beards, growing of hair under armpit , on the chest region and near pubic area.

ii ) it also helps in spermatogenesis.