1. Tardigrade
  2. Question
  3. Biology
  4. In which of the following animal, circulatory system is not involved in gas transport:

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Q. In which of the following animal, circulatory system is not involved in gas transport:

ManipalManipal 2002

Solution:

Dragonfly is an insect in which a tracheal tube from, each spiracle branches into fine tracheoles, that penetrates into the muscle and organs. Thus, oxygen directly diffuses in the muscles and organs.