family problems or any other types of problems that would lead the person into depression and then eating disorders which they become bulimic.Some short-term effects of bulimia are Broken blood vessels in the eye‚ Puffy swollen cheeks‚ Painful salivary glands‚dehydration‚ Constipation and/or Diarrhea‚ trouble swallowing (This effects are caused by the vomiting because we have this acid in our body that comes up whenever we throw up and that acid burns our throat and causes toothaches and also it damages
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Courtship‚ or sexual selection is a form of natural selection in which a male organism tries to prove his worth to the female organism of the same species. Males do this because they are they must pass on their genes to be successful‚ and females are looking for strong attractive males. Females need to be courted because they want to find a strong suitable male to pass genes onto their children. The courting is different in each species but ultimately females are trying to choose the best possible
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Running head: BODY COMPOSITION Body Composition Sonjia Johnson University of Phoenix When we talk about body composition‚ what is it really and what does it have to do with our bodies? Body composition is the body’s relative amount of fat to fat free mass. People with optimal body composition are typically healthier and they general feel better than those with less than ideal body composition. Body composition is divided into two separate
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Introduction: Everyday thousands of chemical reactions happen in our bodies. These reactions produce the energy for our bodies to use. During these chemical reactions there are enzymes‚ biological catalysts‚ which help speed up metabolic reactions by lowering the energy barriers without being used up or altered in the reaction. (Campball‚ 2008) Every enzyme has an optimum pH at which it is most active. An increase or decrease in the pH of the solution will cause the enzyme to have a change in its
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which food passes: mouth‚ pharynx‚ esophagus‚ stomach‚ small intestine. Each portion is specialized for one or more aspect of the three major functions of the digestive system the secretion‚ digestion‚ and absorption. Accessory organs such as salivary glands‚ liver‚ gallbladder and pancreas have duct that lead into the digestive tract and thus support digestive function. Digestion is defined as the mechanical and chemical breaking down of food into smaller components‚ to a form that can be absorbed
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Image taken from the Malaria Foundation link. The sporozoan parasite replicate in the presence of the mosquito and a human host. In Stage 1‚ the female Anapholes mosquito secretes anticoagulant and releases parasitic sporozoites found in its salivary gland into the human host when it bites into it. The sporozoites penetrate and multiply into the liver cells. These proceeds to stage 2 which takes place after 9 – 16 days.
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References: 1) Bijlsma‚ R.‚ Bungdaard‚ J. and Borerema‚ A.C. (2000) Does inbreeding affect the extinction risk of small populations?; predictions from Drosophila. J. of Evol. Biol. 13 502-514 2) Caughley‚ G 3) Charlesworth‚ D. & Charlesworth‚ (1987). B. Inbreeding depression and its evolutionary consequences. Annu. Rev. Ecol. Syst. 18‚ 237-268 4) Caro‚ T.M 5) Crnokrak‚ P. & Roff‚ D.A. (1999). Inbreeding
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August Weismann‚ who noted that two cell divisions were necessary to transform one diploid cell into four haploid cells if the number of chromosomes had to be maintained. In 1911 the American geneticist Thomas Hunt Morgan observed crossover in Drosophila melanogaster meiosis and provided the first genetic evidence that genes are transmitted on chromosomes. The term meiosis was introduced to biology by J.B. Farmer and J.E.S. Moore in 1905 Meiosis i/maɪˈoʊsɨs/ is a special type of cell division necessary
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Beny Beans Journey of the Digestive System By Riley Trachtenberg Ahhhh! Before I could believe it I was being chewed up by wired teeth. The salivary glands made me all soft and moist. I was formed into a bolus like my Italian meatball friends. I looked at my other bean friends and they all looked terrified. While going down the esophagus it felt like we were going down the Drop of Doom. The peristalsis propelled us down the esophagus and into the stomach
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Pertussis‚ or whopping cough is a very serious respiratory disease (CDC Prevention). Whopping cough can affect all ages‚ but can be fatal for children under a year old. Whopping cough has many common cold symptoms such as fever‚ runny nose and coughing (CDC Prevention). The textbook explains how Whopping Cough got its name from its common symptom of a breath that resembles a “whoop” sound. Pertussis can affect people of all ages‚ but can be very serious‚ even deadly‚ for babies less than a year
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