Which is the correct path for pulmonary circulation?

• A
  Left atria (oxygenated blood) $\rightarrow$ lungs (deoxygenated blood) $\rightarrow$ Right atria
• B
  Left atria (deoxygenated blood) $\rightarrow$ lungs (oxygenated blood) $\rightarrow$ right atria
• C
  Left atria (oxygenated blood) $\rightarrow$ lungs (deoxygenated blood) $\rightarrow$ left atria
• D
  Right atria (deoxygenated blood) $\rightarrow$ lungs (oxygenated blood) $\rightarrow$ left atria