how do the liver and pancreas complete chemical digestion?

he pancreas produces the proteases trypsin and trypsinogen which digest proteins into smaller peptide units while carboxypeptidase can digest peptides to amino acids though it's not the main enzyme for this task.

Lipase digests triglyceride fats into their constituent fatty acids and glycerol while amylase breaks down starch into two or three glucose units (maltose and maltotriose) plus small branched glucose units (maltidextrins). 

The panceras also secretes bicarbonate to neutralise the acid contents coming from the stomach and create an alkaline environment which enables pancreatic and small intestine enzymes to work at their optimal speed. 

The liver contributes no digestive enzymes just bile which emulsifies the fats, breaks them up to smaller drops, so as to increase the surface area on which the enzymes can act thus speeding up their digestion.

The pancreas produces enzymes that help digest proteins, fats, and carbohydrates. It also makes a substance that neutralizes stomach acid. The liver produces bile, which helps the body absorb fat. Bile is stored in the gallbladder until it is needed. These enzymes and bile travel through special channels (called ducts) directly into the small intestine, where they help to break down food

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