Question

Direction: Refer to the given graph and select the correct options for the questions that follow.

Which of these is incorrect regarding A and B in the given graph?

• A. A is deoxygenated blood leaving the tissues.
• B. B is reduced blood returning from tissues.
• C. A is oxygenated blood leaving the lungs.
• D. B is deoxygenated blood in the systemic veins.

Answer 1

The correct option is D B is deoxygenated blood in the systemic veins.

In the given figure, B can be interpreted as deoxygenated blood present in the systemic veins.

So, the correct answer is 'B is deoxygenated blood in the systemic veins.'