Nervous System · The nervous system of earthworm is not well developed and is divided into the Central nervous system (CNS), Peripheral nervous system (PNS) and Sympathetic nervous system (SNS). a. Central nervous system (CNS) · …
Circulatory System and Circulation · Circulatory system of earthworms is of closed type as the blood flows in the closed blood vessels. · It consists of various types of blood vessels, heart, capillaries and Plexi which facilit…
Digestive System and Digestion · The digestive system of earthworm consists of the tubular alimentary canal and digestive glands associated with it. · Alimentary canal is a long straight tube with a variable diameter extending fr…
· The generic name Pheretima was first coined by Kinberg (1867 AD). · The generic name Pheretima has been revised to Metaphire by Sims and Easton (1972 AD). · Earthworm is usually studied as a type…