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The correct answer is C. Positive stress. Eustress is a form of healthy stress.
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D. They carry oxygenated blood to the lungs to be pumped to the heart then around the body. Pulmonary has to do with the lungs
Carbon Monoxide.
- It is dangerous because carbon monoxide has a higher affinity for hemoglobin than oxygen does. Your body cannot use carbon monoxide to make ATP, so if there is carbon monoxide attached to hemoglobin instead or oxygen you cannot oxygenate your cells. Thus they will die.