Cholecystokinin and duocrinin are secreted by the
Important Questions on Digestion and Absorption
Hormone duocrinin stimulates which of the following digestive glands?
Read the following statements and choose the correct option:
Statement-1: The hepatic lobules are the structural and functional units of the liver containing hepatic cells arranged in the form of cords.
Statement-2: The liver is the largest gland of the body weighing about 1.2 to 1.5 kg in the adult human.
Fill in the blanks with correct options:
(i) Villi are supplied with a network of capillaries and a large lymph vessel called the ____(A)_____.
(ii) Mucosal epithelium has ___(B)___ cells which secrete mucus that helps in lubrication.
(iii) In ___(C)___ glands are also present in the submucosa.
(iv) The innermost layer lining the lumen of the alimentary canal is the ____(D)____.
Identify the structure labelled 
in Human digestive system and correlate it with its exact function.
| Structure | Function | |
| (1) | Liver lobule | Bile formation |
| (2) | Gall bladder | Synthesis of bile |
| (3) | Liver lobule | Storage of bile |
| (4) | Gall bladder | Storage of bile |
