| Answer | Crossword Clue |
|---|---|
| otocysts | OTOCYST, an organ of balance in many invertabrates |
| otocyst | an organ of balance in many invertabrates |
| statocyst | an organ of balance in some invertebrates |
| statocysts | STATOCYST, an organ of balance in some invertebrates |
| nephridium | (in many invertebrate animals) A tubule open to the exterior that acts as an organ of excretion or osmoregulation. It typically has ciliated or flagellated cells and absorptive walls |
| nephridia | (in many invertebrate animals) A tubule open to the exterior that acts as an organ of excretion or osmoregulation. It typically has ciliated or flagellated cells and absorptive walls |
