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EleoNora [17]
3 years ago
11

The circulatory system is an organ system that is composed of __________. cells, organs, and organisms cells, tissue, and organi

sms tissue, organs, and organisms cells, tissue, and organs
Biology
1 answer:
Alexxandr [17]3 years ago
4 0
Composed of Veins 
Or you can also use both Veins and arteries
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