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Yes, Invertebrates have respiratory system.

upto phylum Annelida no special respiratory organs are found. The respiratory system first appears in phylum Arthropoda. Trachea, Book lungs, book gills are respiratory organs in Arthropodans.

Mollusca have gills.

Echinodermata have Tube feet, Respiratoryy tree and bursae

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14y ago
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13y ago

yes they do, they have skin that provides a short diffusion pathaway.

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7y ago

Flatworms exchange gases such as oxygen directly through their skin, they don't have lungs.
breath through body surface

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13y ago

Nope, no worms do

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11y ago

yes

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Q: Do invertebrates have a respiratory system?
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