HISTOLOGY
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Blood flows from
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arteries to capillaries then to veins
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veins to capillaries then to arteries
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capillaries to arteries to veins
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None of the above
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Explanation:
Detailed explanation-1: -Blood flows in the same direction as the decreasing pressure gradient: arteries to capillaries to veins. The rate, or velocity, of blood flow varies inversely with the total cross-sectional area of the blood vessels. As the total cross-sectional area of the vessels increases, the velocity of flow decreases.
Detailed explanation-2: -Arteries carry blood away from the heart and into the organs – where it splits into arterioles, and further into capillaries. These then join to form venules, which join again to form veins, which carry blood back from an organ to the heart.)
Detailed explanation-3: -Blood flows through your heart from the right side to the left side and then back to the rest of your body.
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