Question

Define:
1. Ingestion. 2. Digestion. 3. Assimilation. 4. Egestion.​

Answer 1

Answer:ingestion is the consumption of the substance by animals.

digestion is the process of breakdown of insoluble molecules into water soluble food

.assimilation is the combination of two process to supply cell with nutrients

.egestion is the process of discharge of undigested food through anus.

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Answer 2

Ingestion:The process of taking food,drink or another substance into the body by swallowing or absorbing it.

Digestion: The process of digesting food.

Assimilation: The absorption or digestion of food or nutrients by the body or any biological system

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.

Answer:

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