What system both influence and regulate MABP and SVR thereby impacting CO?

The autonomic nervous system (ANS) plays a crucial role in influencing and regulating mean arterial blood pressure (MABP) and systemic vascular resistance (SVR), which together impact cardiac output (CO). Through sympathetic activation, the ANS increases heart rate and vascular tone, raising MABP and SVR, while parasympathetic activity can decrease heart rate and reduce vascular resistance. Additionally, hormonal factors such as the renin-angiotensin-aldosterone system (RAAS) further modulate these parameters, ensuring the cardiovascular system responds appropriately to various physiological demands.