Wilkin Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Wilkin and links to relevant pages within the course.
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| Cardiovascular system : structure & function The cardiovascular system consists of the Heart, and Blood Vessels.
Its main function is circulate oxygenated blood from the lungs to various organs, and return blood depleted of oxygen to the lungs, where it is reoxygenated.
Illustration this screen from LifeArt Collection 2000, with permission. © Lippincott Williams & Wilkins.
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| 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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| Circulation: arterial portion Blood is then pumped from the right side of the heart to the lungs, where it takes up oxygen.
Oxygenated blood is then pumped through the left side of the heart via arteries to tiny blood vessels called capillaries.Illustration this screen from LifeArt Collection 2000, with permission.
© Lippincott Williams & Wilkins.
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| Circulation: capillary portion In the capillaries, oxygen and nutrients diffuse from the blood cells into the tissues.
The deoxygenated blood then returns to the veins, completing the circulatory pathway.
Illustration this screen from LifeArt Collection 2000, with permission. © Lippincott Williams & Wilkins.
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