Podcast
Questions and Answers
Which type of blood vessel has walls that are one cell thick?
Veins carry oxygenated blood away from the heart.
False
What is the role of arteries in the circulatory system?
Arteries take blood away from the heart.
Capillaries have _____ internal diameter, and the walls are semi-permeable.
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What kind of blood do veins primarily carry?
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Match the type of blood vessel with the correct feature:
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Blood enters arteries at a _____ pressure.
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Describe the journey of blood from the vena cava to the lungs.
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