Mention the location of four glands associated digestive system of humans and explain function of each.

Following are the glands associated with the digestive system and their secretions:

ORGAN
GLAND
SECRETION
ENZYMES
ACTION OF ENZYME
Mouth
Salivary gland
Saliva
Salivary amylase
Breaks down starch to sugar
Stomach
Gastric glands
Gastric juices
1. Pepsin
2. HCl
3. Mucus
1.Breaks down protein-peptones
2. Kills-germs, create acidic medium.
3. Protect the walls of stomach from the action of HCl
duodenum
1. Liver
2. Pancreas
1. Bile juice
2. Pancreatic juices
_
1. Amylopsin
2. Trypsin
3. Lipase
Emulsification of fats, create alkaline medium
1. Breaks down starch to maltose
2. Breaks down protein to amino acid
3. Breaks down emulsified fats
Small intestine
(site of complete digestion)
Intestinal glands
Intestinal juices
(recives bile & pancreatic juice
1. Erepsin
2. Maltase
CONVERTS:
Protein--amino acid
Sugar—glucose

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