NEET PG DENTAL EXAM

HISTOLOGY

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is/are correct difference(s) between arteries, veins and capillaries?One, some or all answers could be correct?
A
Only veins have valves
B
Arteries have the thickest layer of muscle and elastic tissue
C
Blood pressure is lowest in the veins
D
Capillaries have the smallest lumen
Explanation: 

Detailed explanation-1: -A key difference between arteries and veins is that the arteries carry oxygenated blood to all body parts, whereas veins carry the deoxygenated blood to the heart, with the exception of pulmonary arteries and veins.

Detailed explanation-2: -1. Arteries are defined as the blood vessels that carry oxygenated blood from the heart to the tissues. On the other hand, veins are defined as the vessels that carry deoxygenated blood from organs back to the heart. On the other hand, capillaries are defined as the smallest vessels that link arteries and veins.

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