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B
I and IV
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C
I and III
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D
II and IV
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Solution
The correct option is B I and IV Most arteries carry oxygen-rich or oxygenated blood whereas most veins carry carbon dioxide-rich or deoxygenated blood. Due to more levels of oxygen, blood in arteries appears bright red while blood in veins appears dark/dull red due to less oxygen. For illustrative purposes, arteries are represented with red and veins with blue.