Question

Each of your body systems relies on the others to work well. Your (9) ____system relies on your circulatory system to deliver the (4)__it gathers; while the muscles of your heart cannot function without the oxygen they receive from your lungs. The circulatory system provides your (1)___ with a constant supply of oxygen-(15)____ blood while your brain regulates your (12)_____ and (3)_____​

Answer 1

Answer:

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