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As the arterial pressure vibrates at 80 - 120 mmHg, the renal blood flow does not change. If you want to prove the hypothesis that this property of the renal blood flow is dependent on the autoregulation of the blood vessels, which kind of experimen you should performe?
As the arterial pressure vibrates at 80 - 120 mmHg, the renal blood flow does not change. If you want to prove the hypothesis that this property of the renal blood flow is dependent on the autoregulation of the blood vessels, which kind of experimen you should performe?
A、acute and in vitro physiological experiment.
B、acute andin vivo physiological experiment.
C、cell culture
D、histological experiment
与直线
所围成的图形面积时，如果用元素法，其中的面积元素为（ ）
