Nutrition is the study of foods and their interaction with the body. It involves the relationships between food and the human health, as well as the effects of nutrient worldnewsite.
Nutrients are vital chemical compounds found in all living organisms. They provide energy, help break down food for use by the organism, and are used for a variety of other purposes. Among the many nutrients are carbohydrates, proteins, fats, and vitamins.
In the human body, carbohydrates are the most important dietary energy source. The digestive system breaks down carbohydrates into glucose, which is known as blood sugar. This is then transported to cells, where it is used for energy. Sugars are also found naturally in fruits and news247 com.
Other sources of nutrients include soil and water. Plants need nitrogen, calcium, phosphorous, and potassium to grow. Minerals are also needed. These minerals are present in small amounts in most foods buxic.
The term nutrition has also been defined as the process of obtaining the food that the organism requires. There are two main modes of nutrition: autotrophic and heterotrophic. Each mode has its own set of characteristics. A plant’s mode of nutrition is called an autotrophic mode. When a plant uses light, it produces chlorophyll, which converts the light into chemical energy.
Heterotrophs rely on other sources of food. These could be plants, animals, or fungi. Some of these sources are complex organic compounds, while others are simple inorganic compounds.
In the United States, overnutrition is an epidemic. People who consume more calories than they need increase their risk of developing certain diseases.