Heredity And Hormones Essay

672 words - 3 pages

Heredity and Hormones
BEH/ 225
Laura Jones
Gigi Sofia
February 25, 2010
Axia College of the University of Phoenix

The endocrine system plays an important role in helping to coordinate and integrate complex psychological reactions. The nervous system and endocrine system work together in a constant manner. Chemicals from both systems work together to make the functions in the body work correctly ...view middle of the document...

When the thyroid gland does not make enough thyroxin a person can feel the need to constantly sleep, or constantly feeling tired. Parathyroid’s, tiny organs in the thyroid gland, control and balance the levels of calcium and phosphate and control the levels of excitability (Morris & Maisto, 2005).
The pineal gland which is located in the very small (pea sized) and is located in the middle of the brain. This gland releases melatonin, a hormone that regulates sleep/ wake cycle (Morris & Maisto, 2005).
The pancreas controls the sugar in the body by releasing two hormones, insulin and glucagon. These two hormones work against each other to keep the blood sugar under control. If either quit working, you could end up with diabetes or hypoglycemia (Morris & Maisto, 2005).
The pituitary gland is often called the “master gland.” (Morris & Maisto, 2005) It can be called that since it makes the most different hormones and has the largest effects on the body. It “influences blood pressure, thirst, contractions of the uterus during childbirth, milk production, sexual behavior and interest, body growth, the amount of water in the body’s cells, along with others.” (Morris & Maisto, 2005)
Gonads release hormones, estrogen (female) and...

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