It refers to the process of human digestion, absorption and utilization of food or nutrients, and it is also the process of human obtaining food from the outside to meet their own physiological needs, including ingestion, digestion, absorption and internal utilization. Nutrition is a process in which the body ingests food, digests, absorbs, metabolizes and excretes it, and uses nutrients and other beneficial ingredients in food to build tissues and organs, regulate various physiological functions, and maintain normal growth and development, disease prevention and health care.

Nutrition [y English y m 4 ng]

1. The sum of food intake and utilization processes of animals or plants. In animals, it usually includes ingestion, digestion, absorption and assimilation.

2. Organisms absorb nutrients from the outside to maintain life.