Nutrition Coursework Example | Topics and Well Written Essays - 750 words

Nutrition - Coursework Example On average, most people are supposed to have a calories percentage from carbohydrates of approximately 50 percent, and between 16- 21 percent from protein and 30 percent from a fat source (Berni et al., 2008). Another importance is total micronutrients intake. Though in small quantities, micronutrients are critical for a number of body functions. A diverse diet raises the probability that all your minerals and vitamins needs will be met (Collins, Myatt, & Golden, 1998). The final importance is hydration, which is an important concern since our bodies contain about 60-75 percent of water, which is critical in transport, temperature regulation and nutrients absorption (Collins & Myatt, 2000). The results show that proteins, fats and carbohydrates are the 3 major macronutrients due to their roles in the human body. They are the main components of our diet. Our bodies also require others nutrients such as vitamins and minerals even though in much smaller quantities. They are therefore referred to as micronutrients. Each macronutrient has vital functions in the body (Kattelmann, 2006). Its main role in the body includes building, maintaining and repairing body tissue. It’s highly recommended to physically active individuals because their muscle tissue is in constant need of repair. The other roles of protein in the body are production of enzymes and hormones, which perform vital functions. Proteins are also used to aid in the immune process (Knivsberg, 2003). The main function of fat is protection among its many roles in the human body. Insulation for keeping body temperature and protection of body organs through cushioning are also functions of fat in the body. Fats promote growth and development and maintain cell membranes. In addition, fats play a vital role in vitamin digestion. Vitamins A, D, E and K are fat soluble vitamins which mean that for them to be absorbed into the system of the body; they need fats (Metheny et al.,