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प्रश्न
Write down the explanation.
Digestive enzymes are secreted at appropriate time in our body. How does it happen?
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उत्तर
- The digestive enzymes and juices are produced in sequential manner and at a proper time.
- These secretions are under neurohormonal control.
- Sight, smell and even thought of food trigger saliva secretion.
- Tenth cranial nerve stimulates secretion of gastric juice in stomach.
- Even the hormone gastrin brings about the same effect.
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संबंधित प्रश्न
Identify the enzyme that initiates the process of digestion of proteins.
Maximum digestion and absorption of food takes place in the ______.
HCI reduces the pH of stomach resulting in digestion of proteins by ____________.
Which of the following digestive juices contains enzymes for digestion of both starch and proteins?
Match the enzymes of Column-l with the functions of Column-II. Choose the correct option.
| Column-l | Column-II | ||
| i. | Enterokinase | a. | Absent in adults |
| ii. | Rennin | b. | Digests carbohydrates |
| iii. | Pancreatic Amylase | c. | Converts trypsinogen to trypsin |
| iv. | Lipase | d. | Hydrolyze fat molecules into fatty acids monoglycerides |
Which one is not associated with the secretion of saliva in the human being?
Where is Brunner’s gland present or located?
Usually digestion of cellulose in herbivorous animals takes place in ______.
Chemical digestion of which one of the following starts first in human alimentary canal?
Complete the following reaction by replacing (Y) with proper word.
\[\ce{Emulsified fats ->[Lipases] Fatty acids + (Y)}\]
