When food is digested, it division down into chemical substances dubbed nutrients. There are much more than 50 recognized nutrients that keep the body healthy. Every nutrient is necessary. While every nutrient has a different job, no nutrient action alone. Think of nutrients as the "raw materials" that store the human body alive and healthy. They room responsible for:

growth, repair and also maintenance of body parts, and regulation of human body functions, together as maintaining a constant body temperature and circulating fluids transparent the body.

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Scientists team nutrients into six significant categories:

Proteins.
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Carbohydrates. Fats. Water. Vitamins.
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Minerals.

Most foods items contain an ext than one of these nutrients, yet no one food consists of all the nutrients in the quantities necessary because that life.

Ten- and 11-year olds have special nutrient needs because they are just start a expansion spurt. In particular, they need more:

Protein for body growth. Calcium for bone growth. Iron because that muscle advance and the increased blood volume in their bodies.

Nutrient Functions

Nutrient Purpose Food Sources
Proteins Build and also repair cells Fight infection and also heal cuts Make antibodies, enzymes, and hormones Meat, fish, poultry Dried peas, beans, nuts Eggs, milk, cheese
Carbohydrates Supply energy Supply fiber to aid food move through the digestive street Breads, cereals Rice, pasta Fruits, vegetable Dried beans and peas Sugar and also foods sweetened through it
Fats Supply concentrated energy bring vitamins transparent the human body Insulate the body from cold Cushion internal organs and bones from damage Butter, margarine, oils Nuts and seeds Fried foodstuffs Salad dressings, gravies Snack chips, etc. Cookies, cakes, pies, etc.
Water Carries other nutrients transparent the body Carries wastes out of the human body Regulates body temperature every foods and also beverages
Vitamin A Keeps skin healthy Keeps eyes healthy, specifically for night vision helps fight infection 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 heal cuts stays clear of infection helps the body use iron Maintains healthy and balanced body tissue Citrus fruits (oranges, grapefruits, lemons) other fruits (kiwis, strawberries) part vegetables (green peppers, broccoli, cabbage, tomatoes, spinach, potatoes)
Calcium offers strength and structure because that bones and also teeth Keeps nerves and muscles healthy and balanced Milk, cheese, yogurt Dark green leafy vegetable (kale, broccoli, collards) Salmon v bones
Iron helps blood lug oxygen avoids anemia (and the fatigue that accompanies it) helps fight epidemic lean meat, liver, oysters Dried peas and also beans fortified grain products Some vegetables (tomatoes, spinach) part dried fruits (prunes, raisins, apricots)

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