Answer :
The correct answer is A. Right atrium -> Right ventricle -> Lungs -> Left atrium -> Left ventricle -> Aorta -> Body , represents the correct sequence of blood flow as it travels through the heart.
The correct sequence of blood flow through the heart is as follows:
1. Blood flows from the vena cava into the right atrium.
2. Blood then flows from the right atrium into the right ventricle.
3. Blood is then pumped from the right ventricle into the pulmonary arteries, which carry it to the lungs.
4. In the lungs, oxygen-rich blood is absorbed and carbon dioxide-rich blood is expelled.
5. The oxygen-rich blood is then carried back to the heart by the pulmonary veins and enters the left atrium.
6. Blood flows from the left atrium into the left ventricle.
7. The left ventricle then pumps the oxygen-rich blood through the aorta, which carries it to the rest of the body.
This sequence of blood flow is vital for the proper functioning of the heart and circulatory system, as it ensures that the body is supplied with oxygen-rich blood and that carbon dioxide-rich blood is expelled. Without this cycle, the body would be unable to function properly.
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A. Right atrium -> Right ventricle -> Lungs -> Left atrium -> Left ventricle -> Aorta -> Body
B. Lungs -> Right atrium -> Right ventricle -> Left atrium -> Left ventricle -> Aorta -> Body
C. Right atrium -> Right ventricle -> Left atrium -> Left ventricle -> Lungs -> Aorta -> Body
D. Aorta -> Right atrium -> Right ventricle -> Left atrium -> Left ventricle -> Lungs -> Body