Supine

Could anyone tell me why F.R.C increases during when moving from the supine position to the standing position please? If you use any references to answer this question, could you please send them to be as well. Thank you in advance.

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when you stand up your blood pressure (BP) drops slightly as you move through the degrees from supine to standing. As the BP drops, the heart rate (HR) increases slightly to compensate for the reduced BP. There is a cascade for recovery--which is why (barring any health ...

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