Asked by Chuck Bass
Which of the following correctly traces the flow of blood through the heart and lungs?
left atrium, right atrium, lungs, left ventricle, right ventricle
left atrium, right ventricle, lungs, right atrium, left ventricle
left ventricle, lungs, left atrium, right ventricle, right atrium
right atrium, right ventricle, lungs, left atrium, left ventricle
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Right atrium → right ventricle → lungs → left atrium → left ventricle.
Explanation: Venous blood returns to the right atrium, is pumped from the right ventricle to the lungs, returns oxygenated to the left atrium, and is pumped from the left ventricle into the systemic circulation.
Explanation: Venous blood returns to the right atrium, is pumped from the right ventricle to the lungs, returns oxygenated to the left atrium, and is pumped from the left ventricle into the systemic circulation.
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