Question 6

What are sex hormones? Why are they named so? State their function.


The chemical substances produced by sex organs are called sex hormones. For example:

  • Male sex hormone is testosterone produced by testis.
  • Female sex hormone is oestrogen produced by the ovary.

Sex hormones affects the sexual features of an organism. So, they named as sex hormones. Sex hormones play a important role in our body. Some of the function of sex hormones are as follows:

Testosterone: It is the male sex hormone. It is responsible for secondary sexual characters in male body like growth of beard, developing of reproductive organs and the voice becomes hoarse etc.

Oestrogen: It is the female sex hormone. It is responsible for the secondary sexual characters in the female body like increase in the size of breast, voice becomes soft, development of reproductive organs etc.

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