Question

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

Answer 1

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Coelom refers to a large fluid-filled space lying between the outer body wall and inner digestive tube. ... A true coelom may be defined as “a secondary body cavity formed by splitting of mesoderm during embryonic development”. The excretory organs open into it and the reproductive organs arise from its wall.

Answer 2

Explanation:

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Coelom refers to a large fluid-filled space lying between the outer body wall and inner digestive tube. ... A true coelom may be defined as “a secondary body cavity formed by splitting of mesoderm during embryonic development”. The excretory organs open into it and the reproductive organs arise from its wall.