Morphology of a Gastropod


Description:
Dark grey: Foot and mantle. Light grey: Head and inner body. Black: Shell.
Organ systems:
Dark red: Circulation. Green: Digestion. Yellow: Nervous system. Orange: Excretion. Violet: Gonad (ge-
nital organ). Special: Light red: Heart bag (pericard). Dark green: Radula. 1: Heart, 2: Gill. 

Source: Livingstone, Biodidac, further editing: [RN].

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