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Why do veins have thin walls as compared...

Why do veins have thin walls as compared to arteries ?

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### Step-by-Step Solution: 1. **Understanding the Function of Blood Vessels**: - Blood vessels include arteries and veins, each serving distinct functions in the circulatory system. - **Arteries** carry oxygenated blood away from the heart to various body parts. - **Veins** carry deoxygenated blood from the body parts back to the heart. 2. **Pressure in Blood Vessels**: ...
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NCERT EXEMPLAR ENGLISH-LIFE PROCESSES-Short Answer Type Questions
  1. What is the significance of emulsification of fats ?

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  2. What causes movement of food inside the alimentary canal ?

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  3. Why does absorption of digested food occur mainly in the small intesti...

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  4. Match the following columns.

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  5. Why is the rate of breathing in aquatic organisms much faster than in ...

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  6. Why is the advantage of having four chambered heart ?

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  7. What is the major events during photosynthesis.

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  8. Mention the major events during photosynthesis.

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  9. In each of the following situations what happens to the rate of photos...

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  10. Name the energy currency in the living organisms .When and where is it...

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  11. What is common for Cuscuta,ticks and leeches ?

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  12. Explain the role of mouth in digestion of food.

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  13. What are the functions of gastric glands present in the wall of the st...

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  14. Match the terms in column I with those in column II . {:("Column I...

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  15. Name the correct substrates for the following enzymes (a) Trypsin ...

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  16. Why do veins have thin walls as compared to arteries ?

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  17. What will happen if platelets were absent in the blood ?

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  18. Why do animals consume more energy as compared to plants

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  19. Why and how does water enter continuously into the root xylem ?

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  20. Why is transpiration important for plants ?

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