EARTHWORM

Earthworm

An earthworm is a tube-shaped, segmented animal commonly found living in soil, that feeds on live and dead organic matter. Its digestive system runs through the length of its body. It conducts respiration through its skin. An earthworm has a double transport system composed of coelomic fluid that moves within the fluid-filled coelom and a simple, closed blood circulatory system. It has a central and a peripheral nervous system. The central nervous system consists of two ganglia above the mouth, one on either side, connected to a nerve cord running back along its length to motor neurons and sensory cells in each segment. Large numbers of chemoreceptors are ...

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earthworm

Noun

  1. A worm that lives in the ground.
  2. A worm of the Lumbricidae family, or, more generally, of the '''' suborder.
  3. A contemptible person.
  4. Death.


The above text is a snippet from Wiktionary: earthworm
and as such is available under the Creative Commons Attribution/Share-Alike License.

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