Proper functioning of the digestive system is important for our good
health. Find out the digestive juices produced by different glands of our
body. Draw/ paste the diagrams and also write the function of each.
Answers
ANSWER
• Digestive glands are those having ducts that pour secretions into the digestive system.
• The digestive glands associated with the alimentary canal include the salivary glands, the liver, pancreas, gastric glands, and intestinal glands. Out of these the major glands are salivary glands, pancreas, and liver.
> SALIVARY GLAND
It secretes salivary amylase enzyme which breaks starch into sugar molecules.
> GASTRIC GLAND
It secretes hydrochloric acid (HCl), pepsin enzyme, and mucus. Pepsin helps in the digestion of proteins while mucus helps in the protection of the inner lining of the stomach from acid.
> INTESTINAL GLAND
They secrete intestinal juices to break fat molecules and bile salts into simpler substances.
> LIVER
It is an organ that secretes bile juice to break fat molecules.
> PANCREAS
An organ that secretes insulin hormone along with pancreatic juices that break proteins, fats molecules in the small intestine.
