Summary
The cardiovascular system consists of systemic and pulmonary circulation. Systemic circulation carries oxygen-rich blood from the heart to tissues via the aortic arch and descending aorta. In systemic capillaries, oxygen is exchanged for carbon dioxide before oxygen-poor blood returns to the heart through the inferior vena cava. Pulmonary circulation involves pumping oxygen-poor blood from the heart to the lungs through the pulmonary trunk.
Chapters
Cardiovascular System Overview
The cardiovascular system is divided into systemic and pulmonary parts. The systemic circulation carries blood from the heart to tissues. Oxygen-rich blood is pumped from the left ventricle into the aortic arch which gives rise to branches supplying the limbs. The descending aorta supplies the abdominal and pelvic cavities along with the organs in these cavities and the limbs. In the systemic capillaries, oxygen is exchanged for carbon dioxide. The inferior vena cava returns oxygen-poor blood to the heart. Oxygen-poor blood is pumped from the heart to the lungs through the pulmonary trunk which divides into arteries for the right and left lungs.
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