EXPH 386 exam 4 with complete solutions

EXPH 386 exam 4 with complete solutions oxygen, fuel, nutrients - ANS ️️ what does the cardiovascular system deliver to the active tissues? deoxygenated blood - ANS ️️ what does the cardiovascular system return to the lungs? heat - ANS ️️ what does the cardiovascular system transport from the body's core to the skin? hormones - ANS ️️ what does the cardiovascular system transport to the body's chemical messengers? dual - ANS ️️ what kind of pump is the heart? pulmonary and systemic - ANS ️️ what are the two blood flow circuits? pulmonary circulation - ANS ️️ between the heart and the lungs systemic circulation - ANS ️️ between the heart and other body systems oxygenated, body, deoxygenated - ANS ️️ systemic circulation is the portion of the CV which carries _______ blood away from the heart, to the ______, and returns ______ blood back to the heart deoxygenated, lungs, oxygenated - ANS ️️ Pulmonary circulation is the portion of the CV which carries _____ blood away from the heart, to the _____, and returns ______ blood back to the heart veins to atria to ventricles to arteries - ANS ️️ what is flow of blood through the heart? heart valves - ANS ️️ ensure that blood flows in the right direction through the heart pressure - ANS ️️ what differences causes valves to passively open and close? pressure - ANS ️️ what kind of gradient governs the passive filling of the ventricles? active filling - ANS ️️ atrial contraction 30% - ANS ️️ at resting heart rates, what percent does the atrial contraction contribute to the filling of the ventricle? 70% - ANS ️️ what percent of venous return enters the ventricle before the atria undergoes contraction? lub - ANS ️️ tricuspid