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In vertebrates, which biological system carries out more chemical reactions than any other organ or system?

A) The liver
B) The heart
C) The digestive system
D) The circulatory system

User Bowserm
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2 Answers

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The digestive system. Answer C.
User Martin Carpenter
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Answer:

The Digestive System (Choice C)

Step-by-step explanation:

The Digestive System is constructed and does it's job by turning food into energy and nutrients that the body needs to survive.

User Ersen
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