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AssignmentMultiple Choice

The Circulatory and Respiratory Systems

Question 1 • FL-2000310-Biology 1 Sem 2

Which action is one of the main functions of the circulatory system?

Answer
A
delivering substances to the cells of the body
B
producing substances in the cells of the body
C
breaking down substances in the cells of the body

Explanation

The circulatory system moves blood throughout the body, delivering oxygen and nutrients to cells and carrying away wastes. Producing substances and breaking them down are not its main functions. Therefore, delivering substances to the cells of the body is correct.

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