This is a figure of a typical annelid, earthworm. Identify and label the parts from A to HA- Mouth, B- nerve cord, C- nerve ring brain, D- pharynx, E- heart, F- blood
Earthworm: nervous system - YouTube
Nervous system - Annelids, Reflexes, Sensory | Britannica
Diagrammatic representation of nervous system of Earthworm
Earthworm Dissection
Nervous system in different organisms II — lesson. Science CBSE, Class 10.