When food is digested, it division down right into chemical substances dubbed nutrients. There are much more than 50 well-known nutrients that store the body healthy. Every nutrient is necessary. While each nutrient has a different job, no nutrient action alone. Think of nutrient as the "raw materials" that store the human body alive and also healthy. They are responsible for:
growth, repair and also maintenance of human body parts, and regulation of human body functions, together as maintaining a continuous body temperature and circulating fluids transparent the body.You are watching: What does the body use to build, maintain, and repair cells?
Scientists team nutrients right into six significant categories:
Proteins.
Most foods contain an ext than one of these nutrients, but no one food has all the nutrients in the quantities necessary for life.
Ten- and 11-year olds have actually special nutrient needs because they room just beginning a development spurt. In particular, they require more:
Protein because that body growth. Calcium because that bone growth. Iron for muscle breakthrough and the enhanced blood volume in their bodies.| Nutrient Functions | ||
| Nutrient | Purpose | Food Sources |
| Proteins | Build and also repair cells Fight infection and heal cut Make antibodies, enzymes, and also hormones | Meat, fish, poultry Dried peas, beans, nuts Eggs, milk, cheese |
| Carbohydrates | Supply energy Supply fiber to help food move through the digestive tract | Breads, cereals Rice, pasta Fruits, vegetables Dried beans and peas Sugar and foods sweetened through it |
| Fats | Supply focused energy carry vitamins throughout the body Insulate the body from cold Cushion inner organs and bones from damages | Butter, margarine, oil Nuts and also seeds Fried foods items Salad dressings, gravies Snack chips, etc. Cookies, cakes, pies, etc. |
| Water | Carries other nutrients transparent the body Carries wastes out of the body Regulates human body temperature | every foods and beverages |
| Vitamin A | Keeps skin healthy and balanced Keeps eyes healthy, particularly for night vision help fight epidemic | Deep yellow fruits and vegetables (carrots, sweet potatoes, apricots, peaches, pumpkin, cantaloupe) Dark green, leafy vegetables (kale, spinach, collards, broccoli) Liver, egg yolk Milk, cheese, butter |
| Vitamin C | Helps cure cuts prevents infection help the body use iron Maintains healthy and balanced body tissue | Citrus fruits (oranges, grapefruits, lemons) various other fruits (kiwis, strawberries) some vegetables (green peppers, broccoli, cabbage, tomatoes, spinach, potatoes) |
| Calcium | provides strength and also structure for bones and also teeth Keeps nerves and also muscles healthy | Milk, cheese, yogurt Dark environment-friendly leafy vegetable (kale, broccoli, collards) Salmon v bones |
| Iron | helps blood lug oxygen prevents anemia (and the exhaustion that accompanies it) help fight infection | skinny meat, liver, oysters Dried peas and also beans fortified grain commodities Some vegetables (tomatoes, spinach) part dried fruits (prunes, raisins, apricots) |
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