Explain the five steps of Nutrition
Answers
Answer:
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Explanation:
Ingestion: is the process of taking food in to the body or ‘eating of food’ by the animal. When we put food in to our mouth with hands, we are ingesting it.
Digestion: is the process in which the food containing large, insoluble molecules is broken down in to small, water soluble molecules which can be absorbed by the body or digestion is the dissolving of the solid food. Most of the animals include both physical and chemical methods for digesting the food. Physical method includes chewing and grinding the food in mouth and chemical method include the addition of digestive juices (enzymes) to food by the body itself.
Absorption: is the process in which the digested food passes through the intestinal wall in to blood stream. As, after the digestion, food molecules become small and soluble. This food passes through the walls of our intestine and goes in to the blood.
Assimilation: is the process in which the absorbed food is taken in by the body cells and used for energy, growth and repair. Blood carries the absorbed food to all the parts of the body.
Egestion: is the process in which the undigested food is removed from the body. The whole food which we eat is not digested by our body, a part of the food remains undigested which cannot be used by the body and so it is removed from the body in the form of faeces when we go to the toilet.
Answer:
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There are five steps in the process of Nutrition in animals. These are: 1 Ingestion, Digestion, Absorption, Assimilation and Egestion.
1Ingestion:Ingestion is the consumption of a substance by an organism. In animals, it normally is accomplished by taking in the substance through the mouth into the gastrointestinal tract, such as through eating or drinking. ...Ingestion is a common route taken by pathogenic organisms and poisons entering the body.
2 Digestion :the process of changing food in your stomach so that it can be used by the body.
3. Absorption:Absorption is defined as the process when one thing becomes part of another thing, or the process of something soaking, either literally or figuratively.
4 .Assimilation: Whether you're talking about ideas or nutrients, assimilation describes the act of taking something in and absorbing it fully.
5.Egestion:Egestion is the discharge or expulsion of undigested material (food) from a cell in case of unicellular organisms, and from the digestive tract via the anus in case of multicellular organisms.
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