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Why does the heart automatically adjust the flow of blood to match activity levels? A. Extreme activity damages blood cells and the body needs replacements. B. The heart requires more oxygen when
exercising. C. It builds up a higher level of oxygen in the blood. D. Organs and muscles require more blood under stress. Please select the best answer from the choices provided.
It builds up a higher level of oxygen in the blood.
Expert answered|jeifunk|Points 8431|
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Asked 1/18/2013 10:59:56 AM
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What distinguishes a heart attack from heart failure. A. A heart attack results from poor blood flow, while heart failure involves a total interruption of blood flow. B. Both heart attack and heart failure result in heart tissue death, but more tissue dies as a result of heart failure. C. Heart tissue dies during a heart attack, while heart failure results in systemic oxygen deficiency. D. Heart failure results in body tissues receiving such a high level of oxygen that it is toxic. Please ...
Weegy: What distinguishes a heart attack from heart failure. A. A heart attack results from poor blood flow, while heart failure involves a total interruption of blood flow. en.wikipedia.org/wiki/Myocardial_infarction User: You are asked to write an article for the school newspaper about fad diets. Which of the following paragraphs would be the most factual? A. Fad diets are extreme and do not include balanced meals. They are usually hard to maintain because of their extreme restrictions. Also, the weight one loses while on a fad diet is generally gained back as soon as a person stops dieting. B. Fad diets can be fun because they rarely restrict what you eat. Plus, they induce weight loss in healthy, maintainable ways, and involve techniques that can improve your flexibility. C. Fad diets, which are necessary for fast weight loss, include healthy, well-balance meals. Unfortunately, the weight you lose while on a fad diet is usually gained back once you stop dieting. D. Fad diets are an important part of a diet regimen. They can induce lifelong weight loss and weight gain, which makes them best for young people who want to lose weight quickly. Please select the best answer from the choices provided. (More)
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Asked 1/11/2013 7:52:55 AM
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