What is the Cardiovascular System?
An animated explanation of the cardiovascular system that might be appropriate for younger viewers as it is animated; however, even older viewers can learn much as there is a great amount of detail in certain parts. Key vocabulary words include: heart, blood vessels, oxygen, carbon dioxide, right atrium, left atrium, ventricle, valve, blood pressure, systolic pressure, and diastolic pressure.Run time 04:27
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Do The Circulation - Song
This is an animated Science Rock about blood circulation. The song explains the parts the heart has and the way blood goes in it circulation. The importance of exercise to keep the system healthy is also shown
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Heart and Circulatory System - How They Work
The video uses computer animation to give an overview of the organs inside the circulatory system.  The video includes a transcript that begins with "Your heart is a pump. It's a muscular organ about the size of your fist and located slightly left of center in your chest.
Your heart is divided into the right and the left side. The division protects oxygen-rich blood from mixing with oxygen-poor blood.
Together, your heart and blood vessels comprise your cardiovascular system, whic

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HIV Immunity
Excerpted from NOVA: "Surviving AIDS," this video segment showcases the work of Drs. David Ho and Stephen O'Brien. By examining the "outliers" -- in this case, people like Steve Crohn, whose cells repeatedly resisted HIV infection -- Ho and his colleagues found a genetic mutation that prevents the HIV virus from entering the cell. This video segment includes animation of HIV entering a white blood cell through the CD-4 and CCR-5 receptors on the cell's surface. Some individuals have no CCR-5 gen
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Charles Drew, Part 1 of 4
Film documentary on the life and times of Charles Drew who did research 'in the field of blood transfusions, developing improved techniques for blood storage, and applied his expert knowledge in developing large-scale blood banks early in World War II, saving thousands of allied lives' (Wikipedia, 2009).
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Charles Drew, Part 2 of 4
Film documentary on the life and times of Charles Drew who did research 'in the field of blood transfusions, developing improved techniques for blood storage, and applied his expert knowledge in developing large-scale blood banks early in World War II, saving thousands of allied lives' (Wikipedia, 2009).
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Charles Drew, Part 3 of 4
Film documentary on the life and times of Charles Drew who did research 'in the field of blood transfusions, developing improved techniques for blood storage, and applied his expert knowledge in developing large-scale blood banks early in World War II, saving thousands of allied lives' (Wikipedia, 2009).
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Charles Drew, Part 4 of 4
Film documentary on the life and times of Charles Drew who did research 'in the field of blood transfusions, developing improved techniques for blood storage, and applied his expert knowledge in developing large-scale blood banks early in World War II, saving thousands of allied lives'

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Charles Drew - Inventor of the Blood Bank
Commentary, still images, and narration about Charles Drew. Commentary is provided by Dr. Lester Rodney of Morehouse Colllege. Drew did research 'in the field of blood transfusions, developing improved techniques for blood storage, and applied his expert knowledge in developing large-scale blood banks early in World War II, saving thousands of allied lives' (Wikipedia, 2009).
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Overview of Charles R. Drew's Life
Commentary, still images, and narration about Charles Drew. Drew did research 'in the field of blood transfusions, developing improved techniques for blood storage, and applied his expert knowledge in developing large-scale blood banks early in World War II, saving thousands of allied lives' (Wikipedia, 2009).
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The Nephron: Blood Filtration and Urine Production
Professor George Wolfe discusses the nephron, blood filtration and urine production in this video from Thinkwell's online Biology series.  The video uses lecture format along with notes and illustrations on a board.  Run time 12:33.
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Bed Bugs
This professional video gives close-up footage and describes the characteristics of bed bugs. Video shows how bed bugs suck your blood. The video could be used with a lesson about symbiosis and parasites. 2:10 min.
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Cancer Growth
Simple animation shows how a cancerous tumor grows and spreads through the body. Cancer occurs when cells grow out of control. The cells travel through the blood stream. 46 sec.
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Blood Vessels Help Tumors Grow
This video segment, adapted from NOVA, features cancer researcher Dr. Judah Folkman and describes his approach to proving a new idea he had about how tumors grow inside the body. His idea focuses on angiogenesis, the formation of new blood vessels. Dr. Folkman designed experiments to test his central hypothesis and thus prove the support mechanism behind tumors. Closed captioning included.  Run time 05:07.
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Breakdown of Blood Retinal Barrier In Diabetic Retinopathy
Description of how the retinal pigmented epithelial cells maintain the barrier between blood and the retinal tissue. Simple animation with text and computer generated narration. Grades 9-12. 1:13 min.
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Heart Disease - Illumistream Health
Professional video explains what heart disease is and how the heart works. There are multiple conditions that affect how our heart works.  The heart is a pump that pumps blood in and out of the heart.  A doctor explains what is happening using animations and pictures. Atherosclerosis, angina, and aneurisms are discussed. 2:56 min.
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Understanding High Blood Pressure
A quarter of Americans have high blood pressure, or hypertension. In this video, a doctor uses diagrams to explain what high blood pressure means, why it is of concern to your health, and how it is diagnosed.  3:09 min.
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A Search for Viruses in the Jungle
Virus hunter Nathan Wolfe is outwitting the next pandemic by staying two steps ahead: discovering deadly new viruses where they first emerge -- passing from animals to humans among poor subsistence hunters in Africa -- before they claim millions of lives.  Armed with blood samples, high-tech tools and a small army of fieldworkers, Nathan Wolfe hopes to re-invent pandemic control -- and reveal hidden secrets of the planet's dominant lifeform: the virus. Run time 12:16.
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Immune Cells in Action
In this video segment from The Secret of Life, you'll look through a microscope at a virus attacking a cell. Viruses continue to replicate until they break apart the host cell and start spreading throughout the body, destroying healthy cells along the way. You'll learn how the immune system overpowers a virus with white blood cells and creates the antibodies that kill the same types of viruses quickly if they return. Closed captioning included. Run time 01:40.
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The Urinary System
The urinary system is concerned with the formation and elimination of urine. In an adult, more than 2,500 pints of blood passes through the kidneys each day. Blood enters via the renal arteries and is filtered to remove most of the waste products of metabolism. Seven pints of filtrate are produced every hour. Purified blood returns to the body circulation via the renal veins. The filtering process is carried out by more than two million tiny kidney units, or nephrons, which produce a highly conc
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