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प्रश्न
Digestion of food starts in ______ and gets completed in ______.
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उत्तर
Digestion of food starts in buccal cavity and gets completed in small intestine.
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संबंधित प्रश्न
In which part of the digestive system is water absorbed?
What substances are contained in gastric juice? What are their functions?
| 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?
Define the following term :
Pylorus
Identify and name the four type of teeth shown below and give their functions
Name the organ where the juice bile is temporarily stored.
Define the following term:
Egestion
Find the odd one out. Give reasons for your choice.
State one difference in nutrition: Autotroph and Heterotroph
Mark odd one in the series:
Who is telling a lie?
Large intestine: I am 7.5 meter long.
Eating fast-food ad junk food affects our health. Justify.
The other name of food pipe is alimentary canal.
Identify the correct human dental formula.
The coiled middle portion of the small intestine which is 2.5 meters long is the ______.
Name the organism which lives in the digestive system of human ______.
Match the following:
| 1. | Pancreatic juice | a. | Breaking starch |
| 2. | Salivary enzymes | b. | Digestive enzymes |
| 3. | Salivary gland | c. | Alimentary canal |
| 4. | Digestive tract | d. | Parotid |
What are different types of cells present in the crypts of Lieberkuhn?
