What distinguishes the Frank-Starling mechanism in cardiac function from other homeostatic cardiovascular responses?

💡 Explanation

The Frank-Starling mechanism uniquely adjusts cardiac output based on venous return, because increased ventricular filling stretches myocardial fibers, enhancing contractile force. Therefore, output is adjusted intrinsically, rather than via extrinsic neural or hormonal controls as in other compensatory cardiovascular responses.

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