The definition of the Endocrine System is made up of glands that secrete chemicals directly into the bloodstream or lymph system. These chemicals, called hormones, are carried throughout the body, where they affect both internal activities and visible behavior.
Outside Example: The thyroid gland helps regulate human’s metabolism. To do this the thyroid uses two hormones a T3 and T4. When a person has too much of theses hormones in their bodies it can create a in balance in their body called hyperthyroidism. When a person has hyperthyroidism they have common symptoms of weight loss, hair loss, heart palpitations, nervousness, insomnia and many more.
Personal Example: When I was about sixteen my best friend was not able to gain any weight but always had a high appetite. Of course all of us sixteen-year old girls were jealous that she could eat whatever she wanted and not gain any weight. Then her body temperature started changing. She would go from being at an average to extremely hot body temperature. At first she thought she was going through a late puberty but after a months, she went and saw her family physician. She found out she wasn’t going through puberty, that she has Hyperthyroidism. Now with correct medicine she has not had any symptoms in the last two years.
Coon, D. & Miller, J.O. (2010). Introduction to Psychology: Gateways to Mind and Behavior (12th ed.). Belmont, CA: Cengage Learning, pg 71
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