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Distinguish between Arteries and Veins - Biology

Distinguish Between

Distinguish between Arteries and Veins

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Arteries  Veins
1. They carry blood away from the heart to various parts/organs of the body.

1. The carry blood towards the heart from various parts /organs of the body.

2. Blood flows under great pressure. 2. Blood flows under less pressure.
3. They are thick-walled. 3. They are thin-walled.
4. Arteries branch into arterioles and further into fine capillaries 4. Venules are small vessels that continue from capillaries and merge to form veins.
5. These are deeply situated except a few like the radial, brachial, femoral, etc. which are superficially located. 5. Mostly superficial in location.
6. They carry oxygenated blood, except pulmonary artery. 6. They carry deoxygenated blood, except pulmonary vein.
7. Tunica media is comparatively thicker. 7. Tunica media is comparatively thinner.
8. They do not have valves. 8. They have valves to prevent the backflow of the blood.
Concept: Blood Vessels
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Balbharati Biology 12th Standard HSC for Maharashtra State Board
Chapter 8 Respiration and Circulation
Exercise | Q 6.2 | Page 181
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