Food gives us mental satisfaction. How?
Answers
Food refers to anything, which nourishes the body. It would include solids, semi-solids, and liquids which can be consumed and which help to sustain body and keep it healthy.
Food is a substance which after ingestion, digestion and absorption is capable being utilized by the body for its various functions
Ingestion means intake of food. It is intake of a substance which should be chewable, palatable and should enter the gastrointestinal tract.
After ingestion, food undergoes a process of digestion. Digestion is a process by which complex substance in food is broken down into simpler substance, which the body can take in and use. Some of this complex substance such as carbohydrates, protein and fats undergo some change during digestion.
The end products of digestion or the nutrients present in the small intestine can be used by the body only when they enter these blood stream. This process of movement of digested food or nutrients from the small intestinal wall to the blood stream is termed as absorption of food.
Food supplies nutrients to the body, which help us to maintain our nutritional status and health. For example, apple can be classified, as food, as it is capable, of being ingested, digested and finally supplies nutrients to the body after being absorbed. These materials help the body in carrying out the day today activities and thus maintain health.
The nutrients provided by food are carbohydrates, protein, fats, minerals, vitamins, and water and these performs various functions in the body for maintaining our health. Apart from performing this major function, food has another function also. Now let’s talk about those functions: