BPK 143 Chapter Notes - Chapter 5: External Intercostal Muscles, Respiratory Minute Volume, Pulmonary Artery
11 Jan 2013
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Document Summary
Pulmonary circulation is where deoxygenated blood is pumped from the heart through the lungs and oxygenated blood is returned back to the heart. Systemic circulation is where oxygenated blood is pumped from the heart around the rest of the body and deoxygenated blood is returned back to the heart. Cardiovascular system the pathway of blood flow through the heart. Blood from the head and upper extremities, and from the trunk and lower extremities, returns to the heart via the superior vena cava and inferior vena cava, respectively. It flows through the right atrium the tricuspid valve the pulmonary valve and the pulmonary arteries to the lungs. In the lungs, the blood gives up excess carbon-dioxide (co2) and replenishes oxygen (o2) It then flows through the pulmonary veins the left atrium the bicuspid valve the left ventricle the aortic valve and into the aorta. From there, blood goes into a systemic circulation, where it delivers oxygen (o2) to the tissues and.
