BIOL 208 Study Guide - Midterm Guide: Mitral Valve, Aortic Valve, Heart Valve
Document Summary
A&p ii study guide for hour exam 2. Heart: parietal layer, muscular portion of the heart is known as the visceral layer of the serous pericardium, 3 sections of the heart: Atrial beat very rapidly up to 250 times per minute, the contractions aren"t strong they are flutters, not good blood may propel into the ventricle. Blood remains in the chamber, platelets can break and bring about clotting. They are very tiny, they can grow and end up in distal to capillary beds and prevent oxygen getting to tissues (strokes) ischemia. Like a mild form of brillation because it"s rapid but it"s regular. Thursday, march 24, 2016: brillation - rapid heart rate for sure, uncoordinated. Diastole - the chambers relax, allow for more blood to come in from other areas. Systole - the chambers contract, contraction phase of a given chamber were talking about (atrial/ventricular)
