MCQ
Which one of the following represents pulmonary circulation?
  • A
    Left atrium $\rightarrow$ Lungs $\rightarrow$ Right atrium
  • B
    Left atrium $\rightarrow$ Lungs $\rightarrow$ Right ventricle
  • C
    Right ventricle $\rightarrow$ Lungs $\rightarrow$ Left ventricle
  • Right ventricle $\rightarrow$ Lungs $\rightarrow$ Left atrium

Answer

Correct option: D.
Right ventricle $\rightarrow$ Lungs $\rightarrow$ Left atrium
d
In pulmonary circulation, blood flows from right ventricle to lungs then to left atrium.
In systemic circulation, blood flows from left ventricle to body parts then to right atrium.

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