1. Stimulates thyroid gland and production of thyroxine (T4).

2. Regulates metabolism of glucose in body cells; maintains proper blood glucose level.

3. Regulates skin pigmentation.

4. Stimulates water resorption by renal tubules; vasopressin, antidiuretic effect.

5. Stimulates and aids in male secondary sex characteristics growth, key for erections.

6. Initiates growth of eggs in ovaries; stimulates spermatogenesis in testes.



Answer :

Final answer:

Hormones play vital roles in the body, influencing development, metabolism, and other functions.


Explanation:

Hormones are chemical messengers that play crucial roles in the body. For example, testosterone stimulates the development of male secondary sex characteristics and sperm production, while estrogen initiates the growth of eggs in ovaries and stimulates spermatogenesis in testes. Additionally, thyroid hormones regulate various functions like metabolism, skin pigmentation, and water resorption.


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