Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Health and medicine: Intelligence
Learn about different definitions of intelligence and the nature/nurture debate in the context of intelligence. Health and medicine The med…
VideoFree8 minutes
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Electrical engineering: 3rd graders build robots at Santa Rita Elementary School
Mrs. Rowhani's third graders learn about matter and energy by building a Spout bot with Khan Academy. Special thanks to: Santa Rita's volun…
VideoFree4 minutes
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Health and medicine: How HIV kills so many CD4 T cells
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree11 minutes
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Electrical engineering: SPDT switch
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree3 minutes
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Health and medicine: General overview of the RAAS system: Cells and hormones
Learn the important cells and hormones that are working together to control your blood pressure! Rishi is a pediatric infectious disease ph…
VideoFree14 minutes
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Health and medicine: What are plasma cell dyscrasias?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree8 minutes
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Health and medicine: Pneumonia vs. pneumonitis
Pneumonitis is a term used to describe inflammation of the lung tissues without the presence of an infection, whereas pneumonia is inflamma…
VideoFree9 minutes
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Health and medicine: Clonal selection
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree10 minutes
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Health and medicine: Assessing alignment of the lateral cervical spine (neck) X-ray
Dr. Mahadevan of Stanford Medical School shows Sal what misalignment in the neck could look like in an X-ray Health and medicine The medica…
VideoFree8 minutes
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Health and medicine: Flow through the heart
Learn how blood flows through the heart, and understand the difference between systemic and pulmonary blood flow. Rishi is a pediatric infe…
VideoFree8 minutes
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Health and medicine: Increasing ventricular contractility - inotropic effect
Find out how the sympathetic nerves increase the heart's force of contraction and speed of relaxation! Rishi is a pediatric infectious dise…
VideoFree10 minutes
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Health and medicine: Alzheimer's disease and Korsakoff's syndrome
Learn about how Alzheimer's Disease and Korsakoff's Syndrome affect memory. Health and medicine The medical world can be a confusing place.…
VideoFree4 minutes
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Electrical engineering: Node voltage method (steps 1 to 4)
The Node Voltage Method solves circuits with the minimum number of KCL equations. Steps 1 to 4 out of 5. Electrical engineering Learn about…
VideoFree10 minutes
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Health and medicine: Transudate vs exudate
In a pleural effusion, different fluids can enter the pleural cavity. Transudate is fluid pushed through the capillary due to high pressure…
VideoFree9 minutes
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Health and medicine: Multiple sclerosis pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree7 minutes