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: Heart attack (myocardial infarction) pathophysiology
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree12 minutes
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Health and medicine: Preterm labor
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree12 minutes
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Health and medicine: Cancerous colon tissue
Dr. Andy Connolly of Stanford Medical School shows us what cancerous colon tissue looks like Health and medicine The medical world can be a…
VideoFree13 minutes
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Health and medicine: Reimagine the pressure volume relationship
Understand what is happening at the cellular level to cause two identical left ventricular volumes to have such different pressures! Rishi …
VideoFree14 minutes
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Health and medicine: Asthma pathophysiology
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: Synapse structure
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: Systemic thinking about cancer
Dr. David Agus discusses thinking systemically about cancer and other things Health and medicine The medical world can be a confusing place…
VideoFree12 minutes
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Health and medicine: Oxygen movement from alveoli to capillaries
Watch as a molecule of oxygen makes its way from the alveoli (gas layer) through various liquid layers in order to end up in the blood. Ris…
VideoFree12 minutes
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Health and medicine: Torsades de pointes
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: Aldosterone raises blood pressure and lowers potassium
See how Aldosterone effects the principal cells of the kidney to raise BP and lower potassium. Rishi is a pediatric infectious disease phys…
VideoFree13 minutes
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Health and medicine: Thinking about heartbeats
Find out what happens when things move very slowly through the AV Node! Rishi is a pediatric infectious disease physician and works at Khan…
VideoFree10 minutes
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Chemistry: Ideal gas equation example 1
Figuring out the number of moles of gas we have using the ideal gas equation: PV=nRT. Chemistry Did you know that everything is made out of…
VideoFree10 minutes
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Organic chemistry: Nucleophilicity (nucleophile strength)
Nucleophilicity (Nucleophile Strength) Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic unders…
VideoFree14 minutes
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Chemistry: Redox reaction from dissolving zinc in copper sulfate
What happens when you add zinc to a solution of copper sulfate? Identifying the half reactions to see what got oxidized and reduced. Chemis…
VideoFree5 minutes
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Organic chemistry: Reduction of carboxylic acids
How to reduce carboxylic acids using lithium aluminum hydride (and borane). Organic chemistry Sal and Jay cover topics covered in college o…
VideoFree9 minutes