Relier Pairs 3.34 The heart and its functioning (D)Version en ligne Parts of the heart and their functioning par Emir Barajas 1 Right Atrium 2 Diastole refers to... 3 Left atrium 4 Systemic (major) circulation consists of... 5 Systole refers to... 6 Right ventricule 7 Left ventricule 8 Pulmonary (minor) circulation consists of... Recieves the oxygenated blood coming from the lungs and it later pumps the blood to the left ventricule. Recieves blood from the left atrium and it pumps it to the rest of the body. The lungs send blood rich in oxygen to the left atrium, then it passes to the left ventricule and pumps it to the different body systems and cells. Blood low in oxygen arrives to the right atrium, then passes to the right ventricule that pumps it to the lungs. Finally, blood returns to the heart. It recieves underoxygenated blood from the cells of the body and pumps it to the right ventricule. When the heart relaxes after contractions. The heart contractions while pumping blood. It recieves blood from the right atrium and it pumps it to the lungs.