Non-Chordates: Features of Major Phyla · NCERT Biology

The respiratory organs in Arthropods vary. Which of the following is NOT a respiratory organ in this phylum?

  1. Gills
  2. Book lungs
  3. Tracheal system
  4. Flame cells
Show answer and explanation

Correct answer: Flame cells

Flame cells are excretory structures found in flatworms. Arthropods use gills, book gills, book lungs, or tracheal systems for gas exchange depending on their habitat.

Difficulty: Medium Question 11 of 20

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