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Question#1: Both testosterone and estrogen are produced in human males and females.
a) What tissues produce testosterone in the human female and what is thought to be the role of testosterone in the female?

Testosterone in the female is produced by the ovaries and the adrenal glands. Testosterone in women affects both sexual and non-sexual aspects of life. Strength of bones as well as muscle is influenced by testosterone level. It also has an effect on a woman's energy level and her general sense of satisfaction. A woman's sex drive as well as her sexual sensitivity are enhanced by testosterone.[1]

b) What tissues produce estrogen in the human male and what is thought to be the role of estrogen in the male?

Estrogen has been found to be produced in the adult male by Leydig cells and the germ cells of the testis. Estrogen facilitates fluid reabsorption in the sperm ducts, producing concentrated semen and thus ensuring a high enough sperm count to ensure fertility.[2] Estrogen in the male is also produced by fat cells as well as in the liver, muscle, and brain. The fat cells resulting from obesity can produce unhealthy levels of estrogen in men. The interaction of too much alcohol with the body's tissues can also lead to unhealthy levels of estrogen in men.[3]

Sources for the information stated in the answers:
1. What is Testosterone? Isn't it a Male Hormone?: http://www.bodylogicmd.com/hormones-for-women/testosterone
2. Estrogen in the adult male reproductive tract: A review: http://www.rbej.com/content/1/1/52
3. Testosterone and Estrogen Balance in Men: http://health.howstuffworks.com/sexual-health/male-reproductive-system/testosterone-and-estrogen-balance-in-men.htm

Note 1: The text in the answers is paraphrased from the information in the source, i.e., the original text is put in your own words and not copied and pasted directly from the source.
Note 2: Each number in brackets in the text corresponds with the particular source in the list of citations that provides a reference for the statement you made in your answer.

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