Capillaries belong to which body system? A. skeletal B. nervous C. digestive D. circulatory

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Answer: D. Circulatory Explanation/Calculation: The circulatory system is generally consists of the heart, blood, and blood vessels. One type of blood vessel is called an artery. Arteries branch into smaller and smaller blood vessels until they become capillaries. Capillaries are the smallest blood vessels. Capillaries are part of the blood vessels which is part of the circulatory system. Therefore, capillaries are part of the circulatory system.

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