Label the influences on heart rate and stroke volume. Part A Drag the labels onto the flow chart illustrating the influences of heart rate and stroke volume on cardiac output. Acetylcholine binding to muscarinic receptors STROKE VOLUME AND HEART RATE DETERMINE CARDIAC OUTPUT Venous retum Venous constriction Force of contraction in ventricular myocardium Heart rate Rate of depolarization of autorhythmic cells Decreases Increases Contractility Norepinephrine and epinephrine binding to bota-1 adrenergic receptors End-diastolic volume CARDIAC OUTPUT PPearson Stroke volume which with aby Skeletal muscle pump Respiratory pump Reset Help