GENERAL HISTOLOGY

VASCULAR

TYPES OF ARTERIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which blood vessel is being described? Contain blood at very low pressure.
A
artery
B
capillary
C
vein
D
None of the above
Explanation: 

Detailed explanation-1: -The venule is very thin-walled and easily prone to rupture with excessive volume. Blood flows from venules into larger veins. Just like the arterial system, three layers make up the vein walls. But unlike the arteries, the venous pressure is low.

Detailed explanation-2: -Veins carry blood back to your heart from the rest of your body. The pressure of the blood returning to the heart is very low, so the walls of veins are much thinner than arteries.

Detailed explanation-3: -In general, blood pressure decreases from arteries to veins, and this is because of the pressure overcoming the resistance of the vessels. The greater the change in resistance at any point in the vasculature, the greater the loss of pressure at that point.

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