Post-UTME Biology 2012 Objective — Question 18
Question 18 of 19 from the Post-UTME Screening (Post-UTME) Biology 2012 Objective paper, with the correct answer and a full explanation.
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Which of the following statements about the circulation of blood is not correct?
- A. Deoxygenated blood flows in the heart through the vena cavae
- B. Blood is pumped out of the heart through the aorta
- C. Oxygenated blood from the lungs is carried to the left auricle
- D. The oxygenated blood enters the lungs through the pulmonary veinCorrect
Explanation
Oxygenated blood LEAVES the lungs via the pulmonary vein (towards the heart); it does not 'enter the lungs' through this vessel - deoxygenated blood enters the lungs via the pulmonary artery.
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