Complete the table. Phylum/Class
Complete the table.
| Phylum/Class | Excretory organ | Circulation | Respiratory organ |
| Arthropoda | Lungs/Gills/Tracheal system | ||
| Nephridia | Closed | Skin/Parapodia | |
| Organ of Bojanus | Open | ||
| Amphibia | Closed | Lung |
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| Phylum/Class | Excretory organ | Circulation | Respiratory organ |
| Arthropoda | Malpighian tubule | Open | Lungs/Gills/Tracheal system |
| Annelida | Nephridia | Closed | Skin/Parapodia |
| Mollusca | Organ of Bojanus | Open | Ctenidia |
| Amphibia | Kidneys | Closed | Lung |
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