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Question
Who is telling a lie?
Lung: I play an important role in excretion.
Options
Truth
Lie
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Solution
Lie
Explanation:
Kidneys play an important role in excretion.
RELATED QUESTIONS
Draw neat labelled diagram of the pancreas with their associated structures
What substance is mixed with food in the mouth during chewing by the teeth?
What substances are contained in pancreatic juice? What are their functions?
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Which of the following has the longest small intestine?
(a) carnivore
(b) omnivore
(c) herbivore
(d) autotroph
Study the diagram given below and then answer the question that follows:

Identify the tooth and give a reason to support your answer.
Write the function of the following in the human alimentary canal:
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Write the function of the following in the human alimentary canal:
Villi
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Name the types of teeth in human with functions.
The question has four options. Choose the correct answer:
Uvula can close the opening of
Write down the explanation.
Explain the structure of tooth.
Why it is important to wear helmet while riding a bike?
Bile helps in the digestion of ______.
Which sphincter guards the opening of the hepato-pancreatic duct?
The coiled middle portion of the small intestine which is 2.5 meters long is the ______.
Liver produces for ______ the digestion of fat.
Solve the crossword given as Figure.

| Across | Down | ||
| 1. | Cream-coloured digestive gland | 2. | Feeds with the help of pseudopodia |
| 3. | Undigested excretory solid residues | 6. | Total number of molars in one jaw of an adult |
| 4. | Organ that mixes saliva with the food | 8. | Largest gland |
| 5. | Point of defecation | 9. | Watery secretion in the mouth |
| 7. | Stored in gall bladder | 11. | A ruminant |
| 10. | Finger-like outgrowth in the small intestine | 12. | Form of food chewed by ruminants |
| 13. | Kind of taste buds | ||
| 14. | Kills bacteria in the stomach | ||
In which layer of the wall of alimentary canal, secretary glands are present?
In human beings, when the process of digestion is completed, the (i) proteins, (ii) carbohydrates and (iii) fats are respectively finally converted into ______.
