1. Describe your family history of heart disease?

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2.  Describe where your lungs are? And what are their function?

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3. Describe where your heart is? And what is its function?

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4. Describe what your blood does? And what is its function?

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5. Describe what your arteries do? And what are their function?

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6. Describe what your veins do? And what are their  function?

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7. Describe what your muscle cells do? And what are their function?

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