Question
Write summary of the various digestive glands with their secretion and end product of digestion in man in a tabular form.
Solution
|
Name of the gland |
Secretion |
Site of action |
Enzymes |
Food acted upon |
End product/other functions |
|
1. Salivary gland |
Saliva |
Mouth(buccal cavity) |
Salivary amylase |
Starch |
(i) Maltose (sugar) |
|
(ii) Saliva helps in moisting of food, chewing and swallowing |
|||||
|
2. Gastric gland |
Gastric juice Stomach |
||||
|
(i) HCl |
— |
— |
kills bacteria and make the medium acidic. |
||
|
(ii) Mucus |
Stomach |
— |
— |
Protects the inner lining of the stomach from the action of the acid. |
|
|
(iii) Pepsin |
Stomach |
Pepsin |
Protein |
Simplified proteins |
|
|
3. Liver |
Bile juice |
Duodenum (upper part of small intestine) |
— |
Fats |
Emulsific ation of fats into tiny globules. |
|
4. Pancreas |
Pancreatic juice |
Duodenum |
(i) Trypsin |
Proteins |
Digestion into simpler parts like peptones and peptides |
