Biology and behavior worksheet

Topics: Brain, Nervous system, Central nervous system Pages: 3 (1371 words) Published: November 4, 2014
Biology and Behavior Worksheet Kyle R Friedman University of Phoenix PSY 201 University of Phoenix Material Biology and Behavior Worksheet Respond to the following questions in 150-200 words each. Select a hormone and describe how it affects the mind and body. Describe a situation where you experienced this effect. When a person becomes hungry they get a specific feeling in their stomach almost even painful at times. Normal human instinct would tell us that we are hungry and that we should eat, but what is really going on When a person becomes hungry there is a chemical reaction also known as a peptide which is primarily produced in the stomach. Ghrelin which is the chemical process acts like a appetite stimulant which is why you can Feel hungry. When you are hungry your stomach secretes ghrelin and fills up in your stomach causing a chemical reaction which goes to your brain telling you that you are hungry and you need to eat something. When you have eaten and your stomach has stretched the ghrelin is drain from your stomach telling the brain that you are no longer hungry. This process has also been known as the hunger hormone process. (Utiger, 2014) With this specific effect I have experience it many times in my life, as all people have. Every person in the world has experienced this process because without it we would not survive. In my experience when I am at work for eight hours during the night and I have forgotten to bring food with me. My stomach will begin to rumble and feel nauseous which tells me that I need to eat something because my stomach needed nourishment. When I got home from work I eat a bagel and yogurt causing my stomach to expand which in return removed the ghrelin effect telling my brain that I was no longer hungry. Select an action you perform on a daily basis. Outline which parts of the nervous system are involved and how they work together to perform this action. Being a young adult staying fit and in shape is normal....
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