Read the following statements:
(i) Parietal cells secrete HCl and intrinsic factor (IF). 
(ii) Peptic cells secrete the pepsinogen. 
(iii) The mucus along with the bicarbonates from the pancreas protects the intestinal mucosa from acid.
(iv) Brunner's glands are present in the submucosa of jejunum.
(v) The bile and the pancreatic juice are released together in ileum by hepatopancreatic duct.  
Which of the above statements are incorrect?