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Multiple Choice
Which of the following is the correct order of blood flow in the pulmonary circuit?
A
Left atrium, left ventricle, pulmonary arteries, lungs, pulmonary veins
B
Right atrium, right ventricle, pulmonary arteries, lungs, pulmonary veins, left atrium
C
Right ventricle, pulmonary arteries, lungs, pulmonary veins, left atrium
D
Right atrium, pulmonary veins, lungs, pulmonary arteries, left ventricle
Verified step by step guidance
1
Understand the pulmonary circuit: The pulmonary circuit is responsible for carrying deoxygenated blood from the heart to the lungs and bringing oxygenated blood back to the heart.
Identify the starting point: The pulmonary circuit begins with the right ventricle, which pumps deoxygenated blood into the pulmonary arteries.
Trace the path to the lungs: The pulmonary arteries carry the deoxygenated blood to the lungs, where gas exchange occurs, and the blood becomes oxygenated.
Follow the return path: The oxygenated blood is then carried back to the heart through the pulmonary veins.
Determine the endpoint: The pulmonary veins deliver the oxygenated blood to the left atrium, completing the pulmonary circuit.