Question

Difference between ingestion and digestion
difference between ingestion and egestion
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Answer 1

Answer:

Ingestion and digestion are two actions that occur in the alimentary canal of animals. The main difference between ingestion and digestion is that ingestion is the taking of food into the body whereas digestion is the breakdown of food into small molecules that can be absorbed by the body. Ingestion can be taking food either into the mouth in animals or into the cytoplasm in protozoans. Mechanical digestion and chemical digestion are the two types of digestions. In mechanical digestion, large food particles are broken down into small food particles. This increases the surface area of food, facilitating their chemical digestion by enzymes. Chemical digestion facilitates the absorption of nutrients from the alimentary canal.

Main Difference-Ingestion vs Egestion Ingestion and egestion are two events that occur during the feeding of animals and protozoa. The main difference between ingestion and egestion is that ingestion is the intake of food into the body whereas egestion is the elimination of wastes out of the body. Ingestion occurs through the mouth in animals. In protozoa, ingestion occurs by endocytosis. After taking food into the digestive system of animals, mechanical digestion and chemical digestion occurs to break down food into smaller constituents that can be absorbed by the body. Protozoa take food into a vesicle and digest it inside the vesicle by digestive enzymes. The elimination of wastes of the digestion occurs through the anus in animals. In protozoa, the egestion occurs by exocytosis.

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