deficiencies‚ no energy malnutrition‚ irregular bowel movements‚ and bad muscle tone. 2. Define nutrition Nutrition is the study of the relationship of humans to food 3. What are the six classes of nutrients? Six classes of nutrients are carbohydrates‚ fats‚ proteins‚ minerals‚ vitamins and water 4. Food pyramid: a. Why is it used? It is used to teach people what to eat for a healthy diet b. What groups are contained within the pyramid? Grains‚ vegetables‚ fruits‚ milk‚ meat and beans c
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together. How are polymers broken down? Hydrolysis—the reverse of dehydration synthesis (condensation) the reverse of dehydration synthesis. Water added to the polymer‚ unlinking the chain and breaking it back down to its original monomer units. Carbohydrates Group of organic molecules that includes: group of organic molecules that includes sugars‚ starches‚ and cellulose. Structure: carbon‚ hydrogen‚ and oxygen in a 1:2:1 (CH2O)n – n is an integer such as 5 (C5H10O5) Subunits: Monosaccharides
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Amid high food prices in 1972‚ Sweden’s National Board of Health and Welfare developed the idea of "basic foods" that were both cheap and nutritious‚ and "supplemental foods" that added nutrition missing from the basic foods. Anna Britt Agnsäter‚ head of the test kitchen at KF‚ a consumer co-op that worked with the Board‚ held a lecture the next year on how to illustrate these food groups. Attendee Fjalar Clemes suggested a triangle displaying basic foods at the base. Agnsäter developed the idea
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include a diverse group of plant foods that differ greatly in their energy and nutrients content‚ and form an important component of the human diet. They are excellent sources of nutrients‚ specifically essential vitamins‚ minerals‚ fiber and complex carbohydrate and also add variety to the diet all of which are needed to support a healthy body and mind (Slavin and Lloyd 2012). According to the World Health Report (2002)‚ low fruits and vegetable intake is estimated to cause about 31% of ischemic heart
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P5. Explaining the Concept of Homeostasis. M2. Probable homeostatic response’s to changes in the internal environment during exercise. The actual word homeostasis means "steady state". Homeostasis describes how the body regulates its process to keep its internal conditions as stable as possible. Homeostasis is necessary because human cells are efficient but very demanding. The phrase homeostasis is a bit confusing; conditions inside our bodies are not constant but are kept within a narrow
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looking for the next best thing‚ there are all kinds of fad diets out there that are consistently making outrageous promises to consumers. The latest in the fad diet trend is the “Low Carbohydrate/High Protein” diet. To break it down simply proteins are needed to help the body to grow and repair while carbohydrates provide energy. Both are needed in order for a person to remain healthy‚ which is why fad diets that promote one over the other are harmful to our bodies. Fad diets such as the “low carb/high
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Sixty-one years ago last November‚ John Bardeen and Walter Brattain discovered the transistor at Bell Labs‚ in 1951. Before this‚ electronics used tubes‚ which happened to be extremely bulky‚ generated lots of heat‚ and had short life spans. The invention of smaller‚ more efficient‚ and more durable transistors brought a revolution in electronics. They became an important discovery that changed the world forever. The first ideas and experimentation with solid-state electronics began in 1874‚ but
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How Sugar Affects the Body in Motion By GRETCHEN REYNOLDS Gary John Norman/Getty Images Sugar is getting a bad reputation. A cover article in The New York Times Magazine several weeks ago persuasively reported that our national overindulgence in fructose and other sugars is driving the epidemics of obesity‚ diabetes and other illnesses. But that much-discussed article‚ by the writer Gary Taubes‚ focused on how sugars like fructose affect the body in general. It had little opportunity to examine
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with discretion; opt for carbohydrates with a low glycemic index (GI). GI is the property of a carbohydrate to be converted into blood sugar. A low GI indicates that a carbohydrate takes longer to be converted to sugar‚ thus implying that it is contains insoluble fiber that is tougher to break down (that’s good news‚ intestines need some exercise too). While consuming carbohydrates‚ watch out for the glycemic load (GL) too. Glycemic load accounts for how much carbohydrate is in the food‚ and how much
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The structure and function of carbohydrates A carbohydrate is an organic molecule containing only Carbon‚ Hydrogen and Oxygen with the general formula Cn(H20)n. They are made up of individual molecules called monomers which are joined together by condensation reactions to make a longer chain called a polymer. Carbohydrates are categorised in to three main groups; monosaccharides‚ disaccharides and polysaccharides. Monosaccharides are single sugars and are sweet tasting soluble substances such
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