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The pancreas as an endocrine or as an exocrine gland

endocrine

H1 hormone(s) released directly into blood ; [H1 DO NOT CREDIT carried / transported , in]

H2 beta / β , cells , secrete / produce / release , insulin ;

H3 alpha / α , cells , secrete / produce / release , glucagon ; [DO NOT CREDIT incorrect spelling of glucagon]

H4 islet / α cells and β cells, detect / monitor , blood glucose concentration ;

3 max

exocrine

E1 fluid / juice / secretion / enzymes , released into duct ;

E2 (release triggered by) nervous / hormonal , stimulation ;

E3 pancreatic secretions into , gut / small intestine / duodenum ;

E4 alkaline / pH 8 / (sodium) hydrogen carbonate ;

E5 containing 2 named enzyme(s) ;

Note:

α cells and β cells secrete glucagon and insulin = 2 marks

α cells and β cells secrete insulin and glucagon = 0 marks

E1 IGNORE substances

Exemplar enzymes (exocrine function only)

Lipase, amylase / carbohydrase, trypsin / chymotrypsin / protease / trypsinogen / chymotrypsinogen

QWC Use of 3 terms from:

hormone(s), beta, alpha, glucagon, islet(s), pancreatic, duodenum, enzyme(s), amylase, trypsin(ogen) / chymotrypsin(ogen
    

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