Question

Choose the correct pathway which represents pulmonary circulation in humans. [1 Mark]

• A. Right ventricle (oxygenated blood) $\Rightarrow$ Lungs $\Rightarrow$ oxygenated blood $\Rightarrow$ Right atrium
• B. Right ventricle (oxygenated blood) $\Rightarrow$ Lungs $\Rightarrow$ deoxygenated blood $\Rightarrow$ Aorta
• C. Right ventricle (deoxygenated blood) $\Rightarrow$ Lungs $\Rightarrow$ oxygenated blood $\Rightarrow$ Aorta
• D. Right ventricle (deoxygenated blood) $\Rightarrow$ Lungs $\Rightarrow$ oxygenated blood $\Rightarrow$ Left atrium

Answer 1

The correct option is D Right ventricle (deoxygenated blood) $\Rightarrow$ Lungs $\Rightarrow$ oxygenated blood $\Rightarrow$ Left atrium

The correct answer is option B:
Right ventricle (deoxygenated blood) $\Rightarrow$ Lungs $\Rightarrow$ oxygenated blood $\Rightarrow$ Left atrium