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प्रश्न
Water from the undigested food is absorbed mainly in the ______.
पर्याय
Stomach
Food pipe
Small intestine
Large intestine
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उत्तर
Water from the undigested food is absorbed mainly in the large intestine.
Explanation:
The large intestine reabsorbs water and electrolytes from the remaining indigestible food matter, forming solid waste to be excreted from the body.
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संबंधित प्रश्न
What is the role of saliva in the digestion of food?
What is the function of enzymes in the human digestive system?
Which of the following is the correct sequence of parts as they occur in the human alimentary canal?
(a) Mouth → Stomach → Small intestine → Oesophagus → Large intestine
(b) Mouth → Oesophagus → Stomach → Large intestine → Small intestine
(c) Mouth → Stomach → Oesophagus → Small intestine → Large intestine
(d) Mouth → Oesophagus → Stomach → Small intestine → Large intestine
If the teeth are not cleaned regularly, they become covered with a sticky yellowish layer W of food particles and bacteria. Since layer W covers the teeth, the alkaline liquid X secreted by glands Y inside the mouth cannot reach the teeth surface to neutralise the acid formed by the action of organisms Z on sugary food, and hence tooth decay sets in.
(a) What is W known as?
(b) What is (i) X, and (ii) Y?
(c) What are organisms Z?
(d) State one way of removing layer W from the teeth.
What is the dental formula of a normal human adult?
Complete the following table by filling in the blanks 1 to 8.
|
Organ |
Enzyme |
Food acted upon |
Find product |
|
1 |
Pepsin |
2 |
3 |
| Mouth | 4 | 5 | Disaccharide |
|
6 |
7 |
Maltose |
8 |
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
Name an animal possessing such a dentition.
Fill in the blank.
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peristalsis; tongue pushes the food; grinding and mixing saliva; cutting and tearing of food
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Write short answers
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Correct the spellings: Reninne
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Give two reasons, why bile juice is considered to be an important secretion of liver in the process of digestion?
