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प्रश्न
How is the small intestine best suited for the digestion and absorption of food?
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उत्तर
The small intestine’s inner lining contains a large number of tiny finger-like projections called villi. The villi greatly increase the inner surface area for the absorption of digested food.
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संबंधित प्रश्न
Pancreas, Gall bladder, Glomerulus, Liver
In human digestive system, the enzymes pepsin and trypsin are secreted respectively by:
(a) pancreas and liver
(b) stomach and salivary glands
(c) pancreas and gall bladder
(d) stomach and pancreas
Draw a diagram of the human alimentary canal and label - gall bladder, pancreas, liver, and small intestine on it.
Give two reasons to explain why the absorption of digested food occurs mainly in the small intestine.
Put a tick (✓) against the most appropriate alternative in the following statement.
The teeth which help in tearing the food are the:
Fill in the blank.
Saliva contains salivary amylase which changes starch to _____.
Answer in detail.
Liver does not secrete any enzymes yet it helps indigestion. How?
The question has four options. Choose the correct answer:
Teeth present in the upper molar of human beings are
The digestive glands associated with the alimentary canal are ______.
Given below are two columns, Column I shows enzymes secreted by the glands in the alimentary canal of human beings and Column II indicates the components of food on which enzymes act. Choose the options showing correct matching:
