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Why do you think the stomach is structur...

Why do you think the stomach is structured like a bag rather than a tube like esophagus ?

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1) The food taken has to remain in the stomach for a long time for proper digestion.
2) If was like a tube if would just pass down without undergoing much changes and cannot remain in the stomach for long time.
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VGS PUBLICATION-BRILLIANT-COORDINATION IN LIFE PROCESSES -QUESTIONS GIVEN IN THE LESSON (1 MARK QUESTIONS)
  1. What makes the movement of the food bolus in the esophagus easy ?

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  2. Why do you think the stomach is structured like a bag rather than a tu...

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  3. Why do you think the stomach is structured like a bag rather than a tu...

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  4. What sets such processes into action ?

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  5. What stimulates stomach muscle into action ?

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  6. What causes the stomach to churn and mix the food ?

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  7. Why should only a small quantity of food be passed from stomach do duo...

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  8. What is involved in bringing of about peristalsis?

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  9. What is the direction of peristalsis ( which end of the gut does it be...

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  10. What happens if the direction of present is reversed ?

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  11. Why do you think small intestine is long and coiled ?

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  12. What process is involved in this process of absorption ?

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  13. What is the relation between finger -like structures and paper folds?

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  14. What systems do you think are working together ?

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  15. Do you think those systems work together in the whole length of the di...

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  16. Often you may have experienced that if you have tension for some reaso...

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  17. What moves out of the gut ?

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  18. Two major pathways of waste expulsion are shown above. Which of the tw...

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  19. What controls the exit of stools from the body ?

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  20. Do you think the control is voluntary ? Why /Why not ?

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