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Biology, Human Body and Health · Question 25 of 66

Question 25

HardOriginal question

Which blood vessel is an exception to the rule that veins carry oxygen-poor blood?

Options for question 25

Show the answer and explanation
CorrectNot quiteAnswer C

Correct answer: C

Explanation

  1. Veins are defined by direction: they carry blood towards the heart.

  2. The pulmonary vein brings freshly oxygenated blood from the lungs to the heart, so it is a vein carrying oxygen-rich blood.

Worth noting

The pulmonary artery is the matching exception the other way: an artery carrying oxygen-poor blood to the lungs.

Concept
Pulmonary circulation
Typical time
90 s
Your time
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The rule this testsHuman organ systems
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Ten questions from Biology, Human Body and Health, at your own pace.

Practise this chapter →

Ten questions from Biology, Human Body and Health, at your own pace.