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Answer:

Mouth = Salivary amylase, helps in breakdown of sugar into starch.

Pancreas = Pancreatic juice, helps in breakdown of protiens, fats and carbohydrates into amino acids, fatty acid and starch.

Stomach = HCL acid, support in breakdown of protien by providing favourable climatic conditions.

Small intestine = Intestinal juice Also called succus entericus. Digestive juice secreted by the intestinal glands lining the small intestine. It contains a variety of enzymes, including enteropeptidase, the enzyme that converts trypsinogen to active trypsin, aminopeptidase, nucleases, and nucleotidases.

In mouth saliva is produced, pancreas secretes pancreatic juice, stomach secretes pepsin and HCl and small intestine secretes succus entericus.

Explanation:

• Saliva contains an enzyme that begins to degrade the starches in food.
• The stomach lining glands produce stomach acid and an enzyme that digests protein.

• The pancreas secretes a juice that contains several enzymes that help in digestion of carbohydrates, fats, and proteins in food.
• The small intestine's digestive juice combines with pancreatic juice and bile to complete digestion.
• The body finishes catabolic process  of proteins, and the final dissociation of starches produces glucose molecules that enter the bloodstream.