Earthworm : Earthworm Circulatory System Quiz

*Theme/Title: Earthworm Circulatory System
* Description/Instructions
The earthworm has a closed circulatory system. This means that the blood is confined to blood vessels and its blood is recirculated so it gets maximum use. Take this quiz to learn more about the circulatory system of the earthworm.

Group: Biology Biology Quizzes
Topic: Earthworm

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