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: The lymphatic system's role in immunity
Learn about how B and T cells reside in lymph nodes. Find out how that enables them to get a preview of what they need to be prepared to fi…
VideoFree10 minutes
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Physics: Time dilation
We'll start thinking about time dilation in special relativity and how a Loedel diagram can help up appreciate symmetry between inertial fr…
VideoFree9 minutes
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Health and medicine: Stomach
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree6 minutes
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Health and medicine: Making flu vaccine each year
Learn about how the flu vaccine is made every year and how they name the strains that they put inside. Rishi is a pediatric infectious dise…
VideoFree9 minutes
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Health and medicine: Motor neurons
How do neurons help us move? Learn about how motor neurons send signals to muscle cells and what happens when we damage this precious neuro…
VideoFree7 minutes
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Health and medicine: What is bacterial vaginosis?
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree5 minutes
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Health and medicine: Chronic bronchitis pathophysiology
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 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: What is cystic fibrosis?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes
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Class 11 Physics (India) - Hindi: Stress and Strain (Hindi)
To measure the elasticity of any material we need to define two quantities. Stress and strain. In this video let's explore what these are a…
VideoFree12
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Health and medicine: Diagnosing malaria
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes
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Health and medicine: Angiotensin 2 raises blood pressure
See how Angiotensin 2 effects 4 target "organs" to increase blood pressure. Rishi is a pediatric infectious disease physician and works at …
VideoFree11 minutes
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Health and medicine: Sensory adaptation
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 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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Health and medicine: Osteoarthritis vs rheumatoid arthritis pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree10 minutes