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Why is the true coelom considered a seco...

Why is the true coelom considered a secondary body cavity?

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During the embryonic development of the eucoelgmates, the blastocoel is replaced by true coelom derived from the mesoderm. So, the true coelom is also called .secondary body cavity.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-STRUCTURAL ORGANISATION IN ANIMALS -Important Question
  1. Why is the true coelom considered a secondary body cavity?

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  2. What is tissue level of organisation among animals? Which metazoans do...

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  3. What is cephalization ? How is it useful to its possessors?

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  4. Why is the true coelom considered a secondary body cavity?

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  5. What are retroperitoneal organs ?

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  6. Distinguish between exocrine and endocrine glands with examples.

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  7. Distinguish between holocrine and apocrine glands.

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  8. Distinguish between a' tendon and a ligament.

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  9. Distinguish between osteoblasts and osteoclasts.

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  10. Define Osteon.

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  11. What is lymph ? How does it differ from plasma ?

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  12. Cardiac muscle is highly resistant to fatigue. Justify.

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  13. Distinguish between 'nucleus' and 'ganglion' with respect to the nervo...

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  14. Distinguish between white matter and greymatter of CNS'.

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  15. What are pseudounipolar neurons ? Where do you find them ?

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  16. Mention the advantages of coelom over pseudocoelom.

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  17. Give an account of glandular epithelium.

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  18. Explain Haversian system.

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  19. Write short notes on lymph.

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  20. Describe the structure of a cardiac muscle.

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  21. Describe the structure of a multipolar neuron.

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