Essential Nutrition

By ….Rachel WooComputers 8Block 4

Carbohydrate0Source of energy0Roles in organism0Consists carbon, oxygen + hydrogen02 types - simple simple sugar short lasting - complex starches long lasting energy0Sources: -complex: grains, fruits, veggies - simple: candy (sugars)

Fats0Help the brain + nervous system develop0Component in food0Should get 30% of fat/daily calorie03 types unsaturated: help reduce blood cholesterol saturated: can raise the risk of cancer, diabetes trans fat: risk of coronary heart disease0Sources: plant, fish, meat and other animal products

and trans fat is found in margarine

Protein

0Builds, maintains and replaces body tissues0Muscles, organs and immune system- mostly protein0Participate in every process of cells02 types: animal protein: contain Vitamin B-12

plant protein: less cholesterol0Sources: beef, poultry, fish, eggs, dairy products, nuts,

seeds, and vegetable

Vitamins0 Maintenance of good health + prevent diseases0 Different vitamins: -Vitamin C: help body heal -Vitamin D: help bones -Vitamin A: help night vision -Vitamin B: help make protein + energy -Vitamin K: help stop the bleeding -Vitamin E: maintain a healthy heart, blood and circulation0 2 types: fat soluble: special carrierswater soluble: travel through bloodstream0 Sources: found in food

Minerals0 Builds strong bones+ normal heartbeat0 Needed to transfer oxygen0 Many functions: ex. Makes hormones0 2 types: Marco minerals: large (calcium) Trace minerals: little of it0 Sources: calcium: dairy products iron: meat and plant magnesium: fruit, grain, meat, plant, dairy zinc: grain, seafood, meat, dairy (cheese) selenium: nuts, dairy, meat, seed, grain, seafood, veggie potassium: fruit + veggies

Fiber

0Hold tissues together0Feel full- discourage overeating0 lower blood cholesterol + prevent diabetes + heart

disease02 types:soluble: partially dissolves in water insoluble: does not dissolve0Sources: fruits, vegetables, grains

Water0Life0To drink, to wash, cook and etc..0Made of a skeleton of water molecules0Chemical form :H2O

0Moves through hydrological cycle evaporation transpiration0majority of most organisms0Sources: everywhere

Bibliography

0http://kidshealth.org/kid/0http://

kidshealth.org/teen/index.jsp?tracking=T_Home0http://en.wikipedia.org/wiki/Water0http://en.wikipedia.org/wiki/Protein