moorjo38moorjo38 moorjo38moorjo38

10-03-2017
Chemistry

contestada

Most living things need oxygen to survive. These two body systems bring oxygen into your body and then move to all your body parts. What are these two body systems? A) respiratory and muscular B) digestive and circulatory C) respiratory and digestive D) circulatory and respiratory

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Аноним Аноним

10-03-2017

Your answer would be D. As the circulatory system pumps oxygen rich blood through the body, and the respiratory system helps you to breath. Hope this helps!

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martinez789 martinez789

10-03-2017

the answer is D) circulatory and respiratory

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