Fill in the table “Organ systems of white planaria and their functions”.

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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