Functions of Food Essay Example | Topics and Well Written Essays - 2500 words

Functions of Food - Essay Example Even when the body is under relaxation (i.e. during sleep) energy is compulsory to carry out the automatic processes of the body such as digestion, respiration, circulation, the beating of the heart etc. Energy is also compulsory to carry out skilled, household and other activities. To do this activities energy is absolutely necessary and that energy comes from foods, food which have more carbohydrates and fats in it. Secondly, Foods generally provide the human body the necessary materials for the tissue building, growth and body repair and all these ingredients are present in the proteins and minerals which are available in the food. In the human body, the development of muscles, bones in different parts of the body and their maintenance all entirely dependent on protein and that protein is there in healthy foods. Different minerals like calcium, iron, and phosphorus affect the formation of blood and skeleton tissue (bones). Thirdly, healthy foods protect the human body from the att ack of different diseases. In this case, vitamins play a vital in regulating body processes like growth, eyesight, health of the skin, the formation of teeth and good digestion. Minerals also act as catalysts for many biological reactions within the body. Minerals also play a key role apart from development in muscle and bones in the development of a nervous system which helps the body to react to different kinds of external situations. Both vitamins and minerals are important in order to maintain the general health of the body.