Question

Name three different glands associated with the digestive system in humans. Also name their secretions.

CBSE Class X Science SA 2 (3 Marks)

Answer 1

1) Salivary gland - it produces saliva which contains Salivary amylase which digests the 30% of carbohydrates in the mouth.

2. Gastular glands - present on the walls of stomach and produces HCl , protein digesting enzyme 'pepsin' and mucus.

3. Intestinal glands - present in small intestine and site for complete digestion of fats through bile juice, carbohydrates through pancreatic amylase and proteins through trypsin

Answer 2

1 - salivary gland - secret saliva

2 liver - secret bile juice

3 pancreas - secret pancreatic amylase