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Which of the following are true about our body's systems? (Select all that apply) More than one answer
A The nervous system sends messages to the body.
B The digestive system helps carbon dioxide leave the body through the lungs.
C Blood cells are a part of the circulatory system.
D The digestive system helps break down food into energy.

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Answer:

A,C and D are right.

Explanation:

the the nervous system does send messages around the body, blood cells are apart of the circulatory system and yes the digestive system does break down food into energy but the digestive system does not help carbon dioxide leave the body through the lungs it has nothing to do with that
A, C, and D are true. B is false

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