Discussion
Fill in the blanks with the correct answer :
At the onset of puberty, the size of ovaries in females __A__ and produce __B__. In males, __C__ is produced by testes. The production of these hormones is controlled by __D__.
Answer: D
The blanks are: ovaries enlarge, they produce estrogen, the testes produce testosterone, and production is controlled by the pituitary gland.
At puberty the ovaries enlarge, eggs begin to mature and the ovaries secrete the female sex hormone estrogen. The testes secrete the male sex hormone testosterone. The release of these hormones is controlled by hormones from the pituitary gland, which stimulate the ovaries and testes.
The ovaries do not reduce in size, which rules out two options. Thyroxine is made by the thyroid gland and is not a sex hormone, and the adrenal gland does not control the production of the sex hormones, which rules out the others.
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