Question

what do enzymes in the digestive system do ?

Answer 1

Answer:

Enzymes create chemical reactions in the body. They actually speed up the rate of a chemical reaction to help support life. The enzymes in your body help to perform very important tasks. These include building muscle, destroying toxins, and breaking down food particles during digestion.

Explanation:

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Answer 2

Answer:

Digestive enzymes are a group of enzymes that break down polymeric macromolecules into their smaller building blocks, in order to facilitate their absorption by the body. Digestive enzymes are found in the digestive tracts of animals (including humans) and in the tracts of carnivorous plants, where they aid in the digestion of food, as well as inside cells, especially in their lysosomes, where they function to maintain cellular survival. Digestive enzymes of diverse specificities are found in the saliva secreted by the salivary glands, in the secretions of cells lining the stomach, in the pancreatic juice secreted by pancreatic exocrine cells, and in the secretions of cells lining the small and large intestines.

Digestive enzymes are classified based on their target substrates:

Lipases split fatty acids off of fats and oils.

Proteases and peptidases split proteins into small peptides and amino acids.

Amylases split carbohydrates such as starch and sugars into simple sugars such as glucose.

Nucleases split nucleic acids into nucleotides.

In the human digestive system, the main sites of digestion are the oral cavity, the stomach, and the small intestine. Digestive enzymes are secreted by different exocrine glands including:

Salivary glands

Gastric glands in the stomach

Secretory cells(islets) in the pancreas

Secretory glands in the small intestine

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