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Which two body systems interact to expel the waste product carbon dioxide?

1) urinary system
2) nervous system
3) excretory system
4) circulatory system

User Vinayak B
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2.2k points

2 Answers

17 votes
17 votes

Circulatory system and Excretory system

User Dustin Howett
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3.1k points
12 votes
12 votes

Answer:

circulatory system is the answer

User Liftoff
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