Question
Define ingestion, digestion, absorption and egestion.
Solution
Ingestion: The process of taking in of food is called ingestion.
Digestion: The process of breaking down of food mechanically and chemically into simpler and absorbable form is called digestion.
Absorption: The process of absorption of useful part of the digested food is called absorption.
Egestion: Removal of throwing out of the undigested food from the body is called egestion.
