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fill in the blanks: deoxygenated blood returns from the body through the 1._septum_ and the deoxygenated blood goes into the 3. and is pumped down through the into the 5. the blood is then pumped up through the to travel to the the 8. and carry the deoxygenated blood to the where the deoxygenated blood is exchanges for oxygenated blood in the alveoli. the oxygenated blood is then carried from the back to the 13. the this oxygenated blood is then pumped into the 16. then the blood is pumped down through the 17. into the 18. from this point the oxygenated blood is then pumped up through the 19. into the 20. where the oxygenated blood is pumped to the rest of the body.

The pulmonary circulation is the portion of the circulatory system which carries deoxygenated blood away from the right ventricle of the heart, to the lungs, and returns oxygenated blood to the left atrium and ventricle of the heart.[1] The term pulmonary circulation is readily paired and contrasted with the systemic circulation. The vessels of the pulmonary circulation are the pulmonary arteries and the pulmonary veins.

Pulmonary circulation

Human pulmonary circulation. Oxygen-rich blood is shown in red; oxygen-depleted blood in blue



Pulmonary circulation in the heart

DetailsSystemCirculatory systemAnatomical terminology

A separate system known as the bronchial circulation supplies oxygenated blood to the tissue of the larger airways of the lung.

The earliest human discussions of pulmonary circulation date back to Egyptian times. Human knowledge of pulmonary circulation grew gradually over centuries, and scientists Ibn al-Nafis, Michael Servetus, and William Harvey provided some of the first accurate descriptions of this process.

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