Page 145 - Primary Five Science
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     11. Define the following:
         A)Ingestion
         B)Egestion
         C)Indigestion
         D)Absorption
         12. What is the role of enzymes in digestion
         13. Mention 3 characteristics of enzymes
         14. State any one enzymes that work under;
         A)Acidic conditions
         B)Alkaline conditions
         15. State 2 uses of saliva in the mouth.
         16. State the type of digestion that takes place in the mouth.
         17. Mention any 3 causes of indigestion
         18. Why is it  important to practice food hygiene?
         19. Mention any 3 conditions or diseases that can lead to diar-
         rhea.
         20. List any 2 digestive problems, their causes and how they
         can be prevented.
     	
