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在生理情况下,心血管活动受神经—体液调节来维持正常血压。体液调节是指血液和组织液中所含的某些化学物质对心脏和血管平滑肌的调节。这些物质组成了升压和降压两大系统,这两大系统的相对平衡是维持正常血压的重要因素。
Under physiological conditions, cardiovascular activity is regulated by the neuro-humoral fluid to maintain normal blood pressure. Body fluid regulation refers to the regulation of heart and vascular smooth muscle by certain chemicals contained in blood and tissue fluid. These substances make up the two systems of boost and depressurization. The relative balance between the two systems is an important factor in maintaining normal blood pressure.