Nutrition is the study of food, nutrients and their relationship to health and disease. The human body needs a variety of nutrients to function properly. Poor nutrition can lead to malnutrition and a variety of chronic worldnewsite.
Living organisms differ in their nutrient requirements, and they can be classified into two main groups: heterotrophs and autotrophs. A heterotroph is an animal or plant that gets its food from other sources. Examples of heterotrophs include all animals and plants. Some animals eat simple inorganic compounds. Others rely on complex compounds.
All living things need nutrients for proper growth. Plants require nitrogen, calcium and potassium. These elements are obtained from soil. They also require water and news247 com.
In addition to the food they get from other sources, plants use light, carbon dioxide and chlorophyll to produce their own energy. Some algae, like blue-green algae, are autotrophs.
The body breaks down the food it receives into nutrients. Nutrients are then used for various activities. These include energy production, reproduction and the growth of cells.
For most people, calorie consumption is the primary source of energy. It is like fuel in the tank of a car. When the body gets more calories than it needs, it stores it in muscles and liver.
Nutrition is a biological process that provides the materials needed to make, maintain and reproduce the body. The body uses the energy from carbohydrates, fats and proteins for various activities.
The foods we eat are a combination of protein, carbohydrates, vitamins, minerals and other substances. Each of these has a specific function in the body.