Music, asked by casino24, 2 months ago

what is veins??????​

Answers

Answered by Anonymous
13

Answer:

  • Vein brings deoxygenated blood from organs to the heart except for the pulmonary vein.
  • They have valves.
  • Blood flows slowly in the vein.
  • Veins are collapsible.
  • Blood flows smoothly with little pressure.
  • Veins have thinner walls than arteries.
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