Macronutrients: Nutrition and Carbohydrates

Topics: Nutrition, Protein, Metabolism Pages: 3 (891 words) Published: June 2, 2013
Macronutrients supply our body with energy and are necessary for survival. I found that there are four macronutrients our body needs for survival; they are as follows carbohydrates, fats, proteins, and water. Carbohydrates are available as starches, fiber, and various sugars. Sugar provides energy but contains no essential nutrients. According to McKinley Health Center, University of Illinois at Urbana Champaign. Carbohydrates are necessary macronutrients we need in the largest amounts, and are necessary for survival. They are easily used by the body for energy and are stored in the muscles and the liver, and later used for energy. They also are needed for the central nervous system, the kidneys, brains, muscles to function properly. Important in intestinal health and waste elimination, found in starchy foods, fruits, milk, yogurt, and in smaller amounts in vegetables, beans, nuts, seeds, and cottage cheese.

Proteins are also necessary, because when broken down they contain essential amino acids, the building blocks of proteins. Protein is also needed for many bodily function, growth, and tissue repair, immune function, and essential hormones and enzymes. Proteins can be found in meats, poultry, fish, cheese, milk, and nuts. Get energy from when carbohydrates are not available, preserving lean muscle mass.

Although fats have received a bad reputation for causing weight gain, some fats are essential for survival. Fats also provide taste, consistency and stability to food, and are the most concentrated source of energy. Certain vitamins like Vitamin A, Vitamin D, Vitamin E, Vitamin K, and carotenoids are absorbed by fats in our body. Fats also provide cushioning for our organs and helps maintain membranes. There are three types of fats the first kind would be saturated fats found in meats, butter, lard, and cream. The second type is unsaturated fats found in olive oil,...
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