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Blood, Heart and Circulation

20 minutes 11 seconds

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The heart is a pump, moving blood throughout the body via arteries and veins. Uses graphics to clarify the circulatory system and its functions. Notes the effects of exercise, nutrition, smoking, and infections on this system, and briefly illustrates coagulation, nosebleeds, and vaccinations.

Media Details

Runtime: 20 minutes 11 seconds

Shirtless muscular man flexing his bicep. Caption: When the muscle fibers fire and contract,
27 minutes 11 seconds
Grade Level: 6 - 10
Illustration of the heart and lungs with the vascular system highlighted. Caption: Blood is pumped through a vast network of tubes
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Grade Level: 5 - 9
Illustration of human torso with area over the upper chest in x-ray vision, showing the rib cage and heart. Caption: the heart.
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Grade Level: 7 - 12
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Grade Level: 10 - 12
Gloved hand holding the trachea and lungs from a human body. Caption: branches into two smaller tubes called bronchi,
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Grade Level: 9 - 12
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Diagram of the circulatory system in the torso of a human. Caption: The body's source of pressure is the heart
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