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प्रश्न
State whether the following statement is True or False.
The ducts from the salivary glands open into the duodenum.
विकल्प
True
False
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उत्तर
False
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संबंधित प्रश्न
How is the small intestine designed to absorb digested food?
Describe the parts of our tooth with the help of a labelled diagram.
| When a person eats sugary food, then organisms A present in his mouth act on sugar to produce a substance B. The substance B first dissolves the calcium salts from the top part C of the tooth and then from its middle part D forming holes E. These holes ultimately reach the part F in the lower part of tooth which contains nerves and blood vessels. The substance B irritates the nerve endings inside the tooth causing toothache. |
- What are (i) organisms A, and (ii) substance B?
- What are (i) part C, and (ii) part D, of tooth known as?
- By what name are the holes E in the tooth known?
- Name the part F of the tooth.
- What will happen if organisms A reach part F of the tooth known?
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Fill in the blank.
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Observe the diagram. This is the histological structure of the stomach. Identify and comment on the significance of the layer marked by an arrow.
Throughout the length of the alimentary canal the layer which shows the presence of goblet cells is ______
What are the functions of gastric glands present in the wall of the stomach?
