Multiple choice

Absence of circulatory system, is compensated by

  1. pseudocoelomic fluid

  2. gastrovascular cavity

  3. presence of tentacles

  4. None of the above

  5. -
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The gastrovascular cavity is the primary organ of digestion and circulation in two major animals- phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms). The cavity may be extensively branched into a system of canals.

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