why insects blood does not have oxygen carrying pigments

Question: why insects blood does not have oxygen carrying pigments
- Keywords:
  insects
Asked by chat20fen to Sally, Mmboyi, Mike, Michael, Jacinta, Gliday, Elkana, Edna, Arnold on 17 Jul 2025.
- Michael Kimwele answered on 17 Jul 2025:
  
  Insects don’t have oxygen-carrying pigments in their blood (hemolymph) because they rely on a separate, highly efficient tracheal system for oxygen transport. This system of branching tubes, called tracheae, delivers oxygen directly to tissues, making specialized respiratory pigments in the blood unnecessary

Question: why insects blood does not have oxygen carrying pigments