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Blood Pressure / Heart Rate |
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| Apr11-05, 03:46 AM | #1 |
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Blood Pressure / Heart Rate
A few questions I need answered before a test.
Why does a standing blood pressure and heart rate differ from a reclining blood pressure and heart rate? Why must an athlete exercise harder and longer to achieve a maximum heart rate and blood pressure as compared to an average person? That's about it. Thanks. |
| Apr11-05, 10:09 AM | #2 |
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Well, when you are standing, the distance the blood has to travel is all up (from feet back to heart). Your heart will then have to accomodate by pumping faster. When you are sitting, the vertical distance decreases and your heart can relax a bit. Also, when you are standing your heart is positioned higher up from your feet, compared to when you are sitting.
About the atheletes... they would have been doing much more exercise than the normal person, and the organs would therefore adapt to that life style. |
| Apr11-05, 11:40 AM | #3 |
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