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: ADH effects on blood pressure
See how ADH acts on blood vessels and the kidney to raise blood pressure. Rishi is a pediatric infectious disease physician and works at Kh…
VideoFree10 minutes
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Health and medicine: C-section
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: Ischemic core and penumbra
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: Shock - hemodynamics
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: Parts of a nephron
Learn about the 5 major parts of the kidney's nephron. Rishi is a pediatric infectious disease physician and works at Khan Academy. Health …
VideoFree9 minutes
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Health and medicine: Types of hormones
There are three major types of hormones. 1) Protein hormones (or polypeptide hormones) are made of chains of amino acids. An example is ADH…
VideoFree10 minutes
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Health and medicine: Photoreceptor distribution in the fovea
In this video, I explore how photoreceptors (rods and cones) are distributed in the fovea. By Ronald Sahyouni. Health and medicine The medi…
VideoFree6 minutes
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Chemistry: 2015 AP Chemistry free response 2a (part 2/2) and b
Efficiency of ethanal dehydration reaction. From 2015 AP Chemistry free response 2a (part 2/2) and 2b. Chemistry Did you know that everythi…
VideoFree6 minutes
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Health and medicine: Compliance and elastance
Learn about compliance (and elastance) of arteries, veins, and lead pipes! Rishi is a pediatric infectious disease physician and works at K…
VideoFree10 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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Health and medicine: Aortic stenosis and aortic regurgitation
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: Coagulation cascade
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree15 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
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Organic chemistry: Curly arrow conventions in organic chemistry
Conventions for drawing curved arrows that represent the movements of electrons. Organic chemistry Sal and Jay cover topics covered in coll…
VideoFree7 minutes
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Organic chemistry: Oxidation states of carbon
How to assign oxidation states to carbon in different compounds Organic chemistry Sal and Jay cover topics covered in college organic chemi…
VideoFree11 minutes