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Biology, 06.12.2021 21:50, 0Brittany0
Sammi decides to design a model to show how the digestive and circulatory systems interact. She lines a large plastic tube
with a corrugated cardboard tube. Then, she connects smaller plastic tubes to the large plastic tube. These small tubes
connect
to a pump. She drills small holes in the large tube so that all of the plastic tubes connect.
She plans to run a green fluid representing food through the cardboard tube
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Sammi decides to design a model to show how the digestive and circulatory systems interact. She line...
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