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(a) Ingestion - intake of food (b) D...

(a) Ingestion - intake of food
(b) Digestion - absorption
("c") Assimillation - breakdown of food
(d) Egestion - Elimination of digested substances

Text Solution

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(a) Ingestion: The taking in of food is called ingestion
(b) Digestion: The break down of the macromolecules into micromolecules by the action of digestive enzymes is called digestion.
(c) Absorption: The taking in of digested food materials in the blue stream is called absorption
(d) Assimilation: The conversion of absorbed food materials into components of cells is called assimilation
(e) Egestion: The elimination of the undigested substances from the body is called egestion.
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