What Organ Is the Biggest in a Earthworm?

Answer

The organ that is biggest in an earthworm is its alimentary canal. This is their digestive system. It includes the buccal cavity, the pharynx, and the gullet.
Q&A Related to "What Organ Is the Biggest in a Earthworm"
Like most species the earthworms largest organ is the skin.
http://wiki.answers.com/Q/What_organ_is_the_bigges...
The Giant Gippsland Earthworm is probably the largest earthworm in the world,
http://www.chacha.com/question/how-large-is-the-bi...
Longest earthworm in the world is the South African Microchaetus. In 1937 a record-breaking specimen was found: 6.7m long and 20mm in diameter
http://www.kgbanswers.co.uk/how-big-is-the-biggest...
The Giant Gippsland Earthworm is probably the largest earthworm in the world, reaching lengths of about one metre long. They are found only in a small part of the state of Victoria
http://answers.yahoo.com/question/index?qid=200808...
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