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44 Cards in this Set
- Front
- Back
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Food
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Is any substance the body takes in to extract nutrients from, for its proper function.
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Nutrition
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The process by which the body takes in and uses food.
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Nutrients
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Chemical substances found in food to help the body grow, develop,and function properly
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What are the seven nutrients?
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1. Carbohydrates 6. Water
2. Protein 7. Fats 3. Minerals 4. Vitamins 5.Fiber |
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What is carbohydrates mainly used for?
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They are mainly used for energy. q
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What three elements make up carbohydrates?
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Carbon,Hydrogen,Oxygen
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Name three substances that are rich in carbohydrates.
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Bread, Rice, Potatoes
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Carbohydrates can either be ___________ or ___________.
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Simple or Complex
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____________ carbohydrates have short chains and they will usually contain sugars.
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Simple
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___________ carbohydrates have long chains and they usually contain starch.
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Complex
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Lack of carbohydrates can cause the deficiency disease ___________
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Marasmus
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What is the test for Carbohydrates ?
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Iodine Test
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What color does it usually turn?
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blue-black
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What is protein mainly used for?
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It is used for the growth and repair of broken down tissues,cells and muscles.
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Name the four elements it is made up of .
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Carbon, Hydrogen , Oxygen , Nitrogen
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Sometimes it may include an additional two elements. What are they?
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Sulfur and Phosphorus
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Name three rich sources of protein.
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Poultry,Meat,Fish also egg
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What is the deficiency disease called ?
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Kwashiokar
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What is the test for protein?
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Louiret Test
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What color does it turn?
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Purple
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Fats contain the most energy.Fats contain three elements ,what are they?
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Carbon,Hydrogen,Oxygen
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Name three rich sources of fats.
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butter,cooking oil, shortening
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What are the two types of fats?
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Saturated And Unsaturated
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What is the difference between them?
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Sat. fats are solid at room temp. and come form animals.
Unsat. fats are liquid at room temperature and mostly found in plants. |
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What does fat do?
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It keeps the body warm.
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What is the test for fats?
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1. Translucent test
2.Emulsion test |
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Explain both.
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1.Tran. test: Put fat on a piece of paper, the water will dry out but the fat will leave a grease spot.
2.Emul. test: Put margarine in test tube with ethanol,shake it , let it settle , pour off clear liquid then add water and it will be cloudy or milky if there is fat. |
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Water is the most _______ nutrient in the human body.
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abundant
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___% of your body weight is water.
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70
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What is the formula for water?
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H2O
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foods that contain a lot of water are:
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Watermelon
Coconut Juices |
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Why is water needed in the body? Give four reasons.
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1.) to digest food
2.) to remove waste 3.) to regulate temperature 4.) to cushion sensitive parts of the body like the brain |
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How is water mainly lost from the body?
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1 urinate
2 breathe 3 sweat 4 defecate |
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If water is no replaced what will occur ?
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Dehydration
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What is Dehydration?
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It is the lost of water form the bodies tissue.
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Where does Fiber (roughage) come from?
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It comes from the cell wall of plants which is also called cellulose.
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What can fiber not do?
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It cannot be digested by the human body.
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What does fiber do ?
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It adds bulk to the stool which helps to prevent constipation.
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Name three rich sources of fiber.
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Skin of fruits, vegetables,oats
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Insoluble fibers absorb water. Give two example.
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wheat , bran
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Soluble fibers forms gel with water. Give an example.
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oats
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One gram of carbohydrates = how many calories ?
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4 cal
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One gram of protein = how many calories ?
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4 cal
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One gram of fats = how many calories ?
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9 cal
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