Abeka Biology quiz 16 Latest Update Graded A

Abeka Biology quiz 16 Latest Update Graded A What is the muscular layer of the heart ? myocardium What is the flow of blood from the digestive organs to the liver called ? portal circulation What is the heart's natural pacemaker ? sinoatrial node What is an abnormal rushing or blowing sound produced by valve damage ? heart murmur What type of heart failure occurs when the heart stops beating and instead twitches randomly ? ventricular fibrillation What is the contracting and pumping phase of the cardiac cycle ? systole The flow of blood from the heart to the rest of the body except the lungs ) is ? circulation . systemic Blood travels from the heart to the lungs through the ? arteries . pulmonary Blood leaves the heart for the rest of the body through the body's largest artery , the