Changes in color and smell.
Answer:
i believe you can find that out on there website
Explanation:
<span>Blood.Arteries, veins and capillaries.<span>The Heart.
Hope this helps. :)
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Answer:
4 - Any substance that contains germs that can be transferred to and from one person to another
Cardiorespiratory fitness is the ability of the respiratory systems to efficiently transfer oxygen and nutrients to skeletal muscles.
