Question

Write notes on Secondary Sexual Characters​

Answer 1

Answer:

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Answer 2

Answer:

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. These characters are in control of the sex hormones.

Three hormones are the principle regulators of the male reproductive system: follicle-stimulating hormone (FSH) stimulates spermatogenesis; luteinizing hormone (LH) stimulates the production of testosterone; and testosterone stimulates the development of male secondary sex characteristics and spermatogenesis.