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.............. Summary answers Reinforcement unit 1

Complete the sentences: 1.- Through___(......................................), nutrients enter the cells to be absorbed and used in various metabolic processes.__ __2.-(..................................................)__ __is a conscious, voluntary action;___(....................................) is an involuntary unconscious process. 3.- Basal metabolic rate is__................................__ 4.- A healthy diet leads to................................... 5.- Calculate the energy provided by this breakfast: 50 g of cereals, 200 g of orange juice, 200 g of milk and 10 g of sugar. Bear in mind the energy provided by these foods in kcal per 100 g: orange juice 46, sugar 408, milk 65 and cereal 416

= Activities from Page 30 = = 3.- What is the main purpose of all food preservation processes? = = The main purpose of food preservation is __to avoid the proliferation of microorganisms and to prevent the food from deterioration.__ = = = = Why is this necessary? = = Because __most food is perishable and it will be spoiled due to environmental and biological factors.__ = = = = 5.-Give 3 examples of foods preserved by each of the 4 processes described on page 30. = = = = .- Examples of Foods that Are Commonly Pasteurized = = Whole Eggs Removed from Shells and Sold As a Liquid, Today, many foods, such as eggs, milk, juices, spices and ice are pasteurized. = = = = .- Examples of foods preserved with sterilization: tuna tins. = = .- Dehydration: Mushroom soup = = .- Chemical preservation: Foods preserved by high sugar concentrations: jellies, syrups, juice concentrates; Vinegar preservers cucumbers as pickles. =


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= Activity round-up: Page 34 = = = = Questions 4: Define malnutrition, obesity, anorexia and bulimia. = = Malnutrition is the condition that develops when __the body does not get the right amount of the vitamins, minerals, and other nutrients it needs to maintain healthy tissues and organ function.__ = = = = Obesity is an abnormal __accumulation of body fat,__ usually 20% or more over an individual's ideal body weight. Obesity is associated with increased risk of other diseases such as diabetes and hypertension. = = = = Anorexia is an __eating disorder characterized by reduced appetite or total aversion to food. Anorexia is a serious psychological disorder__. The person with anorexia try to lose weight by not eating. Therefore, they become extremely thin and weak. Anorexia can cause serious health problems and can lead to death. = = = = Bulimia is an __eating disorder characterized by episodes of excessive eating followed by inappropriate methods of weight control, such as self-induced vomiting, abuse of laxatives and diuretics.__ = Digestion video worksheet The digestive system worksheet with intestinal villi