Multiple choice

How is respiration accomplished in arthropods?

  1. By lungs and gills

  2. By book lungs and tracheae

  3. By lungs and tracheae

  4. By book lungs, tracheae and gills
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Arthropods use multiple respiratory structures depending on their habitat and size. Aquatic arthropods (like crabs) use gills. Terrestrial arachnids (scorpions, spiders) use book lungs. Insects use tracheae (tubular respiratory system). No single option covers all arthropods - only option D correctly includes all three respiratory structures found across the phylum.

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