Intake of food is called

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Ingestion

I Egestion

Digestion

Nutrition

answer is A.

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Detailed Solution

Concept: The consumption of food is the ingestion of any product conforming to carbohydrates, proteins, fats, vitamins and minerals.Ingestion, a system in which food is ingested through the mouth and broken down by teeth and slaver, is the first step to acquiring nutrition.
Multi-step system is to gain nutrition and energy from food. For creatures, ingestion, the act of taking in food, is the first step. The cell membranes won't move through the large motes present in complete food.
Food needs to be divided into lower fractions so that the nutrients and organic composites can be exercised by creatures.
Ingestion of food through the mouth is the first step in this process. The teeth, slaver, and lingo play important places in biting ( preparing the food into a gelcap) formerly in the mouth.
Mastication or chewing is an extremely important part of the digestive process, particularly for fruits and vegetables, as they've inedible cellulose fleeces that need to be physically broken down.
In addition, digestive enzymes only operate on food patches' shells, so the lower the flyspeck, the more successful the digestive process is. While the food is being broken down mechanically, the slave enzymes also begin to reuse the food chemically.
These processes' concerted action modifies the food from large patches to a soft mass that can be swallowed and can travel the length of the oesophagus.
Other substances, like medicines( where ingestion is called oral administration), and substances supposedly indigestible, similar as nonentity shells, can be consumed in addition to nutritive products.
Hence, option 1 is the correct answer

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