**BMS 300 EXAM 3** 100% accurate

Blood Flow Through the Heart correct answers Enters the vena cava>rt atrium>tricuspid valve>rt ventricle>pulmonary valve>pulmonary artery>lungs>pulmonary veins>lf atrium>bicuspid valve>lf ventricle>aortic valve> aorta Alveoli Sac in Lungs correct answers -single layer of epithelial cells Myocardium correct answers -layer of muscle around a chamber of the heart -cardiac muscle parietal pericardium correct answers basal lamina that attaches mesothelia to body wall visceral pericardium correct answers basal lamina that attaches mesothelia to myocardium Pericardial Sac correct answers -filled with fluid -reduces friction pericarditis correct answers -inflammation of the pericardium -there is only so much room in the pericardial sac, so when fluid from inflammation combines with the fluid already present there is an increase in pressure Septum correct answers separates the right and left sides of the heart Diastole correct answers -filling phase -myocardium is relaxed Cardiac Output correct answers C.O=S.V(cycles/min) Starlings Law correct answers -increase in end diastolic volume=increase in stroke volume -more blood in=more blood out Coronary Circulation correct answers -provides blood to the myocardium Coronary artery branches into.. correct answers arterioles Cardiomyocytes correct answers -extremely O2 hungry cells Ohms Law correct answers Change in Pressure=RF How are cardiomyocytes connected? correct answers Gap junctions made of desmosomes What do the connexons at the gap junctions do? correct answers provide electrical continuity