Anatomy & Physiology: Cardiovascular System

Circulation: venous portion

  • Deoxygenated (venous) blood flows from tiny capillary blood vessels within the tissues via progressively larger veins to the right side of the heart.
  • Blood is routinely drawn from veins, but may also be drawn from arteries, or capillaries.
  • Illustration this screen from LifeArt Collection 2000, with permission. © Lippincott Williams & Wilkins.

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