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Food and Energy

Food and Energy. Why do we need food?. To grow To repair tissues To get energy To maintain homeostasis. What is a calorie. Is the amount of energy needed to raise the temperature of one gram of water by one degree. What are nutrients?.

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Food and Energy

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  1. Food and Energy

  2. Why do we need food? To grow To repair tissues To get energy To maintain homeostasis

  3. What is a calorie Is the amount of energy needed to raise the temperature of one gram of water by one degree

  4. What are nutrients? Are the substances in food that provide raw materials

  5. 60 Cal=_____cal 60,000

  6. The more active you are the greater your _________ needs are energy

  7. What are the nutrients that are important for human health? carbohydrate fats water minerals vitamins proteins

  8. What are carbohydrates? Are composed of carbon, oxygen and hydrogen and they are the major source of energy

  9. What does carbohydrates also provide beside energy? Raw materials to make cell parts

  10. Complete the diagram in the next page:

  11. What are fats? Energy composing nutrients that are composed of carbon, oxygen, and hydrogen. It has twice the amount of energy in carbohydrates

  12. What does fats also provide beside energy? Form parts of the cell membrane fatty tissue protects and supports your internal organs and insulates your body

  13. Take out from the chart the following: The three major kinds of fat Which one of the objects is good and which is bad Which is the worst and which is the best for a diet

  14. What are proteins? Nutrients that contain nitrogen as well as carbon, hydrogen and oxygen

  15. Proteins are needed for…………… And ………they also play an important part in …………………………. Tissue growth repair Chemical reactions within cells

  16. What are vitamins? Act as helper molecules in a variety of chemical reactions in the body

  17. What are minerals? Nutrients that are not made by living things Mineral are present in soil and absorbed by plants through there roots

  18. Water is the most important nutrient because the body’s vital process including chemical reactions such as breakdown of nutrients take place in water.

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