Article: The miracle of the earthworm.(The garden)

Tne earthworm is truly an amazing little creature and the best friend the farmer and gardener ever had. The earthworm is one of the segmented worms: their bodies divided into segments.

The earthworm has well developed organs and systems. There is a body wall consisting of a surface covering and two layers of muscles. Fibers of the outer muscle layer go around the body, when they contract the worm becomes long and thin. The inner muscles run lengthwise and when they contract the worm becomes short and thick.

Inside the body cavity, through which the intestine passes, the front part of the intestine is modified into special parts. There is a muscular ...

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