Answer:
wrong, it's D. deoxygenated blood has lower levels of oxygen inside of it compared to oxygenated blood
Explanation:
Deoxygenated blood is blood with low levels of oxygen that flows toward the heart. Oxygenated blood if blood with high levels/exposure to oxygen that flows away from the heart.
Although A is true, it doesn't explain the difference, more like a fact.
The answer would be “Do compressions while calling 911”
Its denial iv been there done that so personally I would know
D. Dehydration if you dont drink water while working out you'll start to get really tired and have an elevated heart rate.
