1. Explain the effects of pressure,resistance, and venous return on cardiac output? 2. Describe how cardiovasculr Regulatory Mechanisms...

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Medical Sciences

1.Explain the effects of pressure,resistance, and venous return oncardiac output?
2. Describe how cardiovasculr Regulatory Mechanisms respond tochanges in blood pressure and blood chemistry? (This answer mustinclude how the ANS, endocrine system, baroreceptors,chemoreceptors, all work wirh the cardiovascular system)

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1 Factors affecting cardiac outputa Pressure Pressure is caused due to myocardialcontractility which depends on followingi Increased ventricular muscle mass in those doingregular physical exercises increases cardiac outputii Sympathetic stimulation increases ventricularcontractility and therefore cardiac outputiii Hormones like catecholamines acetylcholineglucagon insulin thyroxine and chemicals like xanthines and drugslike digitalis quinidine etcb Resistance Resistance is caused by the peripheralresistance induced by blood vessel and it is the after load See Answer

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