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प्रश्न
The inner wall of the small intestine has many finger-like outgrowths called ______.
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उत्तर
The inner wall of the small intestine has many finger-like outgrowths called villi.
Explanation:
Villi increase the surface area for absorption, allowing nutrients to be absorbed more efficiently into the bloodstream.
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संबंधित प्रश्न
The largest gland in the human body is ______.
Label the following figure of the digestive system.
A part of the human digestive system
Which of the organs perform the following function in humans?
Absorption of water
In which part of the digestive system is water absorbed?
| 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. |
- What is W known as?
- What are (i) X and (ii) Y?
- What are organisms Z?
- State one way of removing layer W from the teeth.
Consider the following two statements A and B and select the right option from (i)-(iv) about their correctness.
- Small intestine is shorter than large intestine.
- Small intestine is wider than large intestine.
Options :
(i)Both the statements are correct
(ii) Both the statements are wrong
(iii) Statement A is correct, B is wrong
(iv) Statement B is correct, A is wrong
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List the enzymes and their action on food in the stomach and intestine.
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Describe the structure of the part labelled '3'.
Fill in the blanks.
Removal of undigested food is called ________.
Write true or false for the below statement. Rewrite the false statements correctly.
All the absorbed nutrients are immediately required by the body.
Describe the following: Emulsification
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Common passage for swallowing food and breathing is
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Liver: I am the largest gland in the body.
Write any two functions of digestive system.
Identify the part of the digestive system which is vestigial in humans?
Identify which three of the following terminologies is true for human dentition.
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Mark the following statement as True or False. If false, write the correct statement.
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