Question

the characteristics of veins are
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Answer 1

Answer:

veins carry deoxygenated blood except pulmonary vein

- veins are superficially placed in the human body

- veins carry blood uniformly or only in one direction

- they bring blood from various organs of the body to the heart

- they have thin muscular walls

- they do not collapse when empty

Explanation:

hope this helps u

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Answer 2

Explanation:

The characteristics of veins are(In Humans) :

1. They usually carry deoxygenated blood from organs back to lungs.

2. The Pulmonary vein is the only vein which carries oxygenated blood from lungs to heart.

3. The veins are generally thin than arteries.

4. The veins have usually valves to prevent backflow of blood.

5. The veins generally split into venules to maximize the absorption of CO2 from various cells of body.

I hope this much is more than enough