Avoiding Surcharges. Because airlines charge a peak travel day surcharge on the most popular days of travel -- Sunday, Monday and Friday -- you can get the best discounts on those off-peak days. However, during the summer, peak and off-peak travel days do not really exist.
Proteins are essential nutrients for the human body. They are one of the building blocks of body tissue, and can also serve as a fuel source. As a fuel, proteins contain 4 kcal per gram, just like carbohydrates and unlike lipids, which contain 9 kcal per gram.
â¢ Protein is a component of every cell in the human body and is necessary. for proper growth and development, especially during childhood, adolescence, and pregnancy. â¢ Protein helps your body build and repair cells and body tissue. â¢ Protein is a major part of your skin, hair, nails, muscle, bone, and internal. organs.