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SEC
Class Response
A. Oral questions:
1. What is meant by ingestion of food?
2. What is meant by digestion of food?
3. What is meant by absorption of food?
4. What is meant by egestion of food?
5. What is meant by peristalsis?
Answers
Explanation:
1. Ingestion means the consumption of a substance by an organism. In animals it normally is accomplished by taking in a substance through the mouth into the gastrointestinal tract such as to eating and drinking.
2. Digestion is the breakdown of large insoluble food molecules into. small water soluble food molecules so that they can be absorbed by ty3 watery blood plasma.
3. It means to pass the digested food products into the blood system and lymph vessels to be used further by the body for various functions.
4. Egestion means the act or process of voiding or discharging undigested food as faeces.
5. It is the involuntary constriction and relaxation of the muscles of the
intestines or other canals, creating wave
like movements that push the contents of
the canal forward.