Heredity and Hormones

Topics: Endocrine system, Glands, Endocrine gland Pages: 3 (733 words) Published: June 18, 2013
Heredity and Hormones
Jennifer Ridgeway Herrick
BEH/225
June 2, 2013
Reva Shirvastava

Heredity and Hormones
Heredity is the genes that we acquired from our parents when we were conceived and cannot be controlled by anyone as of yet. You inherit certain genes from each parent that creates a new genetic combination that creates a unique person. (Hemandez, 2008)

Hormones however are responsible for many of our human functions which include our metabolism, development, growth, reproduction and sexual desire. They also impact human behavior and mood. (Hemandez, 2008)

Where Heredity creates who the person is, Hormones regulates how the person functions. This functioning is controlled by the Endocrine system, which controls the release of Hormones into the bloodstream.

The Pituitary gland is located on the underside of the brain and is connected to the hypothalamus. It produces the largest number of different hormones so it has the largest range of effects on the body’s functions. It’s often called the “master gland” because of its influential role in regulating other endocrine glands. The Pituitary influences thirst, blood pressure, sexual behavior, body growth, and other functions. (Maisto, 2010)

The Pineal gland is a pea-sized gland located in the middle of the brain. It secretes the hormone Melatonin, which regulates the sleep-wake cycle. (Maisto, 2010)
The Thyroid gland is located just below the larynx and produces one primary hormone, Thyroxin, which regulates the body’s rate of metabolism and thus, how alert and energetic people are and how fat or thin they tend to be. If a person has too little Thyroxin they tend to feel constantly tired and wanting to sleep, if they have too much, or have an overactive Thyroid they can have a variety of symptoms such as over excitability, insomnia, and reduced attention span. (Maisto, 2010)

The Parathyroid is four tiny organs that are embedded in the thyroid gland that control the balance and...

References: Hemandez, C. (2008, July 21). The Effect of Heredity and Hormones on Behavior. Retrieved from Yahoo! Voices: http://voices.yahoo.com/the-effect-heredity-hormones-human-behavior-1687883.html?cat=70
Maisto, C. M. (2010). Understanding psychology (9th ed.). Upper Saddle River, NJ: Prentice Hall.
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