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The main function of the GIT is to efficently breakdown feed to the essential nutrients that can then be absorbed. The GIT then acts to propell the waste fed material out of the body. The following functions constitute this main function;
 
The main function of the GIT is to efficently breakdown feed to the essential nutrients that can then be absorbed. The GIT then acts to propell the waste fed material out of the body. The following functions constitute this main function;
      
*Secretion of enzymes and co-factors for digestion including water, ions and mucous
 
*Secretion of enzymes and co-factors for digestion including water, ions and mucous
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