UPSC CDS 2 2021 GK Paper

Question : 117 of 120

Marks: +1, -0

In the human body, blood flows through a process of double circulation. Which one of the following statements is true in this regard?

Oxygenated blood reaches the left side of the heart from the lungs.
Blood in the left side of the heart is poor in oxygen and is brought to the right side of the heart.
Deoxygenated blood from the left side of the heart is brought to the lungs for oxygenation.
Oxygenated blood from the right side of the heart is sent around the body.

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