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Why the larger arteries appear to be white rather than red but the larger veins are blue?
Wiki User
∙ 15y ago
Not sure about the white arteries but the blue is non oxygenated blood.
Wiki User
∙ 15y ago
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Which is larger retinal arteries or retinal veins?
Retinal veins are larger than retinal arteries. Retinal veins are between 2/3 to 3/4 times larger than the arteries of the retina. Retinal vein are also darker red then the arteries.
Why do you say the larger lymph vessels are comparable to the veins rather than arteries?
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What are the histological differences between artery and vein?
The tunica media of arteries is larger than that of veins of same size.The tunica adventitia is larger in veins than arteries of same size.
Do the larger arteries contain valves to prevent the back flow of blood?
No, veins have the valves, arteries don't.
Artery and vain 15 differences?
Arteries and veins both carry blood. Arteries are larger and carry blood away from the heart. Veins carry blood to the heart, and they are generally smaller than arteries.
Is it true that the pulse can be felt on arteries but not on veins?
Yes, it's true. The beating of the heart only drives blood in the arteries. As the blood passes from the arteries to the capillaries and then to the veins, it ceases to be pumped by the heart, so no pulse can be felt. Blood in the veins returns to the heart because of the valves in the veins, and because of general muscular contractions in the body, rather than because of the heart.
Name three blood vessels?
the three blood vessels are the Veins capillaries Arteries the arteries.
Why are veins darker in colour than arteries?
Veins are not actually darker than arteries. In fact, on dissection, veins and arteries are both a whitish color. The reason that they are more visible is because there are larger veins that are located closer to the surface of the skin than arteries. Veins also tend to have thinner walls, making the blood inside them more visible.
How are the jobs of the vein and artery differant?
Arteries have thick, muscular walls that stretch when the heart pushes blood into it. Veins join many times to form larger and larger veins.
What do arteries and veins drain?
Arteries drain (pump blood) into veins. Veins drain into your lungs and heart to be re-oxygenated. (This is not true for veins and arteries to and from your lungs.)
What is the difference between the blood in the arteries and the blood in the veins?
Veins do not pulsate Arteries pulsate Veins can easily collapse Arteries do not collapse (except in shock) Veins contain valves Blood pressure is low in the veins and higher in the arteries
What material surrounds veins and arteries?
Cellulose is what surronds veins and arteries.
