6 th grade health
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6 th Grade Health. Chapter 10 Nutrition for Health. Food, Nutrients, and Nutrition. Nutrients Substances in food that your body needs. Nutrients. Helps the body build new tissue. Helps the body repair damaged cells. Helps the body produce energy. Food, Nutrients, and Nutrition. - PowerPoint PPT PresentationTRANSCRIPT
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6th Grade Health
Chapter 10Nutrition for Health
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Food, Nutrients, and Nutrition
Nutrients
Helps the body build new tissue
Helps the body repair
damaged cells
Helps the body produce
energy
Nutrients • Substances in food that your body needs
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Food, Nutrients, and Nutrition
• Not all food are created equal• The energy in food is measured in units called calories.
Chocolate
Fruit
High in calories
Low in nutrients
Low in calories
High in nutrients
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Two Kinds of Nutrients
Food, Nutrients, and Nutrition
Nutrients thatprovide energy
Nutrients that help the body run smoothly
Proteins
Carbohydrates
Fats
Vitamins
Minerals
Water
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What Influences Your Food Choices?
Family and Culture
Advertising
Knowledge of Nutrition
Convenience
Availability
Peer Pressure
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Food and EmotionsEmotions influence your food choices because food can bring up feelings connected to past experiences.
A craving for food can be especially strong when people feel sad, lonely, or discouraged.
Appetite – the physiological desire for food
Hunger – body physical need for food
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Meeting Nutrient Needs
• Calcium – builds strong bones and teeth• Without it what can happen – Osteoporosis
• Iron – Helps your body make enough red blood cells as you
grow.• A shortage or iron can lead to a blood disease called
anemia.
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Meeting Nutrient Needs
Although most people in the United States get plenty of food, they do not get the nutrients they need.
Eating low-nutrient, high-fat foods, along with overeating, can lead to long-term health problems such as obesity, diabetes, heart disease, and cancer.
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Assignment 1
1. Analyze how it is possible to have plenty of food and yet be poorly nourished?
2. Evaluate which factors you think influence a teen’s food choices the most? Explain your answer.
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Nutrients and Nutrition
Six Groups of Nutrients
Carbohydrates
Proteins
Fats
Vitamins
Minerals
Water
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Carbohydrates/FiberThere are two kinds of carbohydrates: simple and complex.
Fiber is a special type of complex carbohydrate found in raw fruits, vegetables, and whole grains.– Eating high-fiber foods can help reduce your risk of certain types of cancer and heart disease.
Carbohydrates • Sugars and starches that occur naturally in foods, mainly in plantsFiber •The parts of fruit, vegetables, grains, and beans that your body cannot digest
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Carbohydrates
All carbohydrates are made of sugar molecules.
Simple carbohydrates Complex carbohydrates
Molecules remain separate Molecules form long chains.Also knows as starches.
Fruits, vegetables, milk, milk products Grains, dried beans, and starchy vegetables such as potatoes
Half to two-thirds of your daily energy should come from carbohydrates.
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Proteins
Proteins •Nutrients your body uses to build, repair, and maintain cells and tissues
Proteins also play an important role in fighting disease because parts of your immune system are made of proteins.
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Proteins
Proteins
Complete Proteins Plant Proteins
Contain all nine of the essential amino acids
Lack one or more of the nine essential amino acids
Beef, pork, veal, fish,poultry, eggs, most dairy products Nuts peas, and dried beans
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Fats
Most of the fats in your diet should be unsaturated fats.
Unsaturated fats • Fats that remain liquid at room temperature
Saturated fats • Fats that are solid at room temperature
Eating too many foods containing saturated fats can increase your risk of heart disease.
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Fats
Fats
Saturated Fats Unsaturated Fats
Butter, cheese, fatty meats Plant foods such as olive oil, nuts and avocados
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Cholesterol
Cholesterol is a fatty substance found in the blood.
LDL (low-density lipoprotein) HDL (high-density lipoprotein)
Collects on the walls of arteries and forms plaque Removes LDL from the arteries
Known as “bad cholesterol” Known as “good cholesterol”
Eating too much saturated fat can increase the body’s level of cholesterol.
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Vitamins and Minerals
Vitamins
Water-Soluble Fat-Soluble
Not stored in the body Stored in the body
Must be consumed regularly Stored in the body’s fat until they are needed.
The best way to get vitamins and minerals is to choose nutritious foods.
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Water
Water
Helps digest and absorb food.
Regulates body temperature and blood circulation.
Carries nutrients and oxygen to cells.
Removes toxins and other wastes.
Cushions joints.
Protects tissues and organs from shock and damage.
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Assignment 2
1. Analyze your food: Make a list of the foods you have eaten today. Identify which nutrients can be found in each food. Are there any nutrient groups that you have left out?
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My Pyramid food guidance system •A system designed to help Americans make healthful food choices
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Plate
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Guidelines• Dietary Guidelines for Americans
• The Dietary Guidelines for Americans, 2010 are the best science-based advice on how to eat for health. The Guidelines encourage all Americans to eat a healthy diet and be physically active.
• Improving what you eat and being active will help to reduce your risk of chronic diseases such as diabetes, heart disease, some cancers, and obesity. Taking the steps in this brochure will help you follow the Guidelines.
• For more information, go to: • w ww.DietaryGuidelines.gov • w ww.ChooseMyPlate.gov • w ww.Health.gov/paguidelines • w ww.HealthFinder.gov
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Balance the Calories You Consume with Physical Activity
Consume only as many calories as your body needs.
Calorie •A unit of heat that measures the energy available in food.
A calorie also measures how much energy your body uses.
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Balance the Calories You Consume with Physical Activity
Teens should be physically active for at least 60 minutes on most days.
Physical activity builds strength, gives you energy, and helps you feel good about yourself.
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Assignment 3
1. Analyze and Explain how the MyPyramid and MyPlate food guidance system graphic are designed to help you know what foods to eat.
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Planning Healthy Meals
Variety
Moderation
Balance
Variety makes meals and snacks more nutritious and interesting.
Lower risk of developing certain diseases by eating reasonable portions of fats, sugars, and salt.
Maintain a healthy weight by not eating more calories than your body can burn.
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Breakfast: Start the Day Out Right• After a night of sleep, you need breakfast to turn your body’s fuel-producing mechanism back on.
• Breakfast provides the fuel you will need later in the morning.
• Any food that supplies calories and nutrients can be part of a healthful breakfast.
• Round out your meal with a cup of fruit and a glass of low-fat milk.
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Lunch and Dinner
• Vary your proteins.• Use limited amounts of fats, sugars, and salt.• Avoid empty-calorie foods.• Balance your eating plan.
Empty-calorie foods • Foods that offer few, if any, nutrients, but do supply calories
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Snacking Smart
• Pay attention to what you are eating.– Eating absent-mindedly can lead to overeating.
• Avoid snacking just before mealtime.• Choose healthy foods as snacks.• Nutrient density is an important factor to consider
when choosing snack foods.– Nutrient density • The amount of nutrients relative to the number of
calories they provide
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Snacking Smart
Food Calories from Fat
Food Group Equivalent
Air-popped popcorn, plain, 1 cup 0 1 cup Grains
Applesauce, ½ cup 0 ½ cup Fruit
Gelatin with ½ cup sliced banana 0 ½ cup Fruit
Graham crackers, 2 2 1 ounce Grains
1½ ounces of low-fat cheese and 4 saltines 52 1 ounce Grains,
1 cup Milk
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Assignment 4
1. Explain why is breakfast important?
2. Evaluate the following: You are hungry, but dinner is still an hour away. Can you think of a snack that would help you feel less hungry but still leave you ready to eat dinner? How much of the snack food do you think you should eat?