Multiple Choice
Which type of blood vessel carries oxygen-depleted blood back to the heart?
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19. The Blood Vessels
Types of Blood Vessels
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Which type of blood vessel usually carries oxygen-poor blood back toward the heart?
A
Veins
B
Arteries
C
Arterioles
D
Capillaries
Verified step by step guidance1
Understand the basic function of blood vessels: arteries, veins, arterioles, and capillaries each have distinct roles in the circulatory system.
Recall that arteries generally carry blood away from the heart, and veins carry blood toward the heart.
Recognize that arteries usually carry oxygen-rich blood, except for the pulmonary artery, which carries oxygen-poor blood to the lungs.
Identify that veins usually carry oxygen-poor blood back toward the heart, except for the pulmonary veins, which carry oxygen-rich blood from the lungs to the heart.
Conclude that among the options, veins are the blood vessels that usually carry oxygen-poor blood back toward the heart.
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