Fill in the table “Organ systems of white planaria and their functions”.
| October 30, 2020 | Education
| Organ system name | Organs that make up the system | Functions |
| Nervous | Nerve nodes, nerve columns | Provides a connection between the body and the external environment, ensures the coordinated work of organs and their systems |
| Excretory | Protonephridia | Removal of unnecessary waste products |
| Sexual | Male and female gonads | Provides reproduction of the organism |
| Digestive | Mouth, pharynx, intestines | Assimilation and digestion of food |
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