2 Words to Know!NUTRITION - is the science that studies how body makes use of food.DIET - is everything you eat and drink.NUTRIENTS - are the substances in food.
3 The Process of Satisfying Hunger You need energyYou feel hungryYou eat to get rid of hungerYou feel satisfiedYou need more energyThe cycle repeats again
4 What Food Does for YouIt provides energy for daily activityIt gives you raw materialEating is an enjoyable activity
5 Why do we need food?Our bodies need to remove substances from our food in order to help our bodies grow, have energy, and stay healthy….These substances are called NUTRIENTS
6 Six Essential Nutrients CarbohydratesProteinFatMineralsVitaminsWater
7 CarbohydratesCarbohydrates are the primary source of energy. (starches and sugars) Provides energy and nutrients Two kinds: Simple and Complex Sources of Carbohydrates: - Whole wheat breads - Rice - Pasta - Potatoes
9 ProteinProtein is essential for body growth. (Build hormones!) It also repairs and maintains body cells.Amino Acids: 22 amino acids in proteins. They come from the foods we eat.Complete- animal sources- have all amino acidsIncomplete - plant sources- missing some of themSources of Protein:MeatsEggsFishNutsBeans
10 Types of ProteinsCOMPLETE: contain all the essential or necessary amino acids that our body needs.INCOMPLETE: is missing one or more of the essential amino acids that our body needs.
11 VitaminsVitamins help regulate body functions. They also help fight infection, grow healthy, prevent disease.Come from foods--Cannot made by our bodies.Two groups: 1.Water-soluble2. Fat –insolubleSources of Vitamins: Healthy Foods!Fruits -meatVegetables -dairyWhole grain breads
12 FatsFats are another source of energy. It protects against temperature changes, cushions body organs, carries soluble vitamins throughout the body, promotes healthy skin and normal body growth.Saturated (bad) and monounsaturated (good) fatsSources of Fat:Butter - CheeseEggs - Meat
13 Types of FatSATURATED: UNSATURATED: usually solid at room usually liquid at room temperature temperature
14 MineralsMinerals- elements needed in small quantities to help your body work properly. They also regulate daily elimination, promote healthy bones and teeth.Sources of Minerals:MilkMeatsWhole grain cerealFruitVeggies
15 WaterWater is essential to our body because it carries nutrients, help digestion, boosts metabolism, removes waste, lubricates joints, keeps body from overheating, 70% of our body is water.*most common nutrient.Sources of Water: WaterJuices - Fruits -VeggiesMilk
16 How Much Should You Eat?It depends on three factors:GenderActivity levelAge
17 Check for Comprehension! On the bottom (backside) of your 6 Nutrients worksheet, write a paragraph (AT LEAST 4-6 sentences) that explains:why we eatwhy each nutrient is essential for a healthy bodyhow each of them benefits the body.