what are the various steps of nutrition in humans?
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➺ Ingestion: The process of taking food into the body is called ingestion.
➺ Digestion: The process in which the food containing large, insoluble molecules is broken down into small, water soluble molecules is called digestion.
➺ Absorption: The process in which the digested food passes through the intestinal wall into blood stream is called absorption.
➺ Assimilation: The process in which the absorbed food is taken in by the body cells and used for energy, growth and repair is called assimilation.
➺ Egestion: The process in which the undigested food is removed from the body is called egestion.
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