BPK 142 - Final Lab Exam Review 55 Questions with 100% Correct Answers | Verified | Latest Update

What is the atria? - ️️- upper two cavities of the heart -- passes blood to the ventricles - left atrium = receives oxygenated blood from veins - right atrium receives deoxygenated blood from pulmonary vein Which vessels enter or exit the atria? - ️️- right atrium -- receives deoxygenated blood from superior vena cava, inferior vena cava - left atrium = receives oxygenated blood from the pulmonary vein What are the ventricles? - ️️- large lower chambers that collect + expel blood received from one of the atria - right ventricle = receives blood from the right atrium - left ventricle = receives blood from the left atrium What vessels enter or exit the ventricles? - ️️- right ventricle = pulmonary artery -- sends blood to the lungs - left ventricle = aorta/aortic arch -- pumps blood to rest of the body Describe the pathway of blood through the heart - ️️1. Blood enters the right atrium from the superior and inferior vena cava, and the coronary sinus -- carries deoxygenated blood 2. From right atrium, it goes through the tricuspid valve to the right ventricle. 3. From the right ventricle, it goes through the pulmonary semilunar valves to the pulmonary trunk 4. From the pulmonary trunk it moves into the right and left pulmonary arteries to the lungs.