Nutrients needed by human body: protein: Important components of human body: blood, muscles, nerves, skin, hair, etc. Are made up of protein. Protein also participated in the renewal and restoration of the organization; Regulate human physiological activities and enhance resistance; Protein also provides energy for children's growth and development, and is a productive nutrient. Carbohydrate: Carbohydrate, that is, carbohydrate is the most important source of heat for human body. It participates in many life activities and is a part of cell membrane and many tissues. Maintain normal nerve function and promote metabolism of body fat and protein. Fat: Fat is an important part of human tissues and cells. Absorbed by the human body to provide heat, which is twice as much as the equivalent protein or carbohydrate energy. Fat is also an important storage form of human energy supply.
Vitamins are essential compounds to maintain normal physiological functions of human body. It does not provide energy, nor is it a structural component of the body, but it is absolutely indispensable in the diet. For example, long-term deficiency or lack of a certain vitamin will cause metabolic disorder and pathological state, leading to vitamin deficiency. Minerals: Minerals are salts in inorganic compounds, also known as inorganic salts. Generally speaking, they only account for 1- 1.5% of the fresh weight of biological cells. More than 20 minerals have been found in human body. Although the content of inorganic salts in cells and human body is very low, it plays a very important role.
? Water is an important condition for human beings and animals (including all living things) to survive. Water can transport all kinds of substances necessary for life and eliminate unnecessary metabolites in the body; Promote all chemical reactions in the body.