Food is needed by the human body for energy, to repair and build cells and to prevent sickness and heal from it. While it is possible to obtain nutrients in a scientifically controlled manner, common food is the most efficient way of obtaining energy and nutrients.
Food can be divided into energy content and nutrients. The breakdown of fats, proteins and carbohydrates will determine how much energy the body can derive from a given amount of food. Fats and carbohydrates are mainly used for energy, while protein is broken down into amino acids to be used in building and repairing cells and tissues. The nutrients of a food include all the vitamins and minerals that the body needs to stay healthy against sickness.Learn More
Simply put, food fuels the human body. Without it, the body cannot grow or perform at its best, the organs stop working properly, and the body eventually dies. Food supplies nutrients, which are used by every cell in the body as building materials and fuel.Full Answer >
According to About.com, water makes up between 65 and 90 percent of all cells in the human body. The remaining elements by mass include oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus, potassium, sulfur, chlorine, sodium, magnesium and trace amounts of iron, cobalt, copper, zinc, iodine, selenium and fluorine.Full Answer >
According to the University of Rochester Medical Center, fat cells are located throughout the human body between the skin and muscle areas. They can also be found surrounding the organs inside of the body’s cavities such as the abdominal area.Full Answer >
The longest bone in the human body is the femur, which is also called the thigh bone. On average, it is about 20 inches long, according to Infoplease.Full Answer >