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katrin2010 [14]
3 years ago
12

Most annelids possess a closed circulatory system.

Biology
1 answer:
Elodia [21]3 years ago
8 0
Annelids are one of the organisms that has a systematized circulatory system and is closed.

The circulatory system serves to provide and deliver nutrients and oxygen throughout the organisms cells and tissues. The heart serves as the pumping organ and the cornerstone of the circulatory system. 
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