7.2 Alimentary Canal

Question	Answer
Ingestion	The taking in of food substances through the mouth and into the body
Mechanical Digestion	The breakdown of food into smaller pieces without molecules being chemically changed
Chemical Digestion	The breakdown of large, insoluble molecules into small, soluble molecules
Absorption	The movement of small food molecules and ions into the blood through the small intestine wall
Assimilation	The movement of digested food molecules into the cells of the body where they are used, becoming part of the cells
Egestion	The passing out of food that has not been digested or absorbed, as faeces through the anus
What is diarrhoea and how is it treated?	Diarrhoea - the loss of watery faeces Treatment - oral rehydration therapy
Describe cholera and explain the effects on the body.	Cholera - a disease cause by a bacterium Bacterium secretes

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	Created by Lucy Klein over 6 years ago