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: Autonomic nervous system effects on the heart
Carefully go through each of the four major effects that the sympathetic and parasympathetic system has on your heart: Chronotropy, Dromotr…
VideoFree6 minutes
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Health and medicine: Anemia pathophysiology
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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Class 11 Physics (India): Efficiency of a Carnot engine
Definition of efficiency for a heat engine. Efficiency of a Carnot Engine. Class 11 Physics (India) Let's learn, practice, and master topic…
VideoFree14 minutes
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Health and medicine: Endocrine system and influence on behavior - Part 2
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: What is neonatal herpes?
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
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Physics: Deriving max projectile displacement given time
Deriving a formula for maximum projectile displacement as a function of elapsed time Physics Learn about the basic principles that govern t…
VideoFree7 minutes
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Class 11 Physics (India): Capillary action and why we see a meniscus
How capillary action and the meniscus are related to intermolecular forces in water. Class 11 Physics (India) Let's learn, practice, and ma…
VideoFree8 minutes
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Class 11 Physics (India): First law of thermodynamics / internal energy
First law of thermodynamic and internal energy Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT…
VideoFree18 minutes
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Class 12 Physics (India): Magnetic force between two currents going in opposite directions
Sal shows how to determine the magnetic force between two currents going in opposite directions. Class 12 Physics (India) It is now time to…
VideoFree11 minutes
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Health and medicine: Putting it all together - Pathophysiology of Parkinson's disease
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
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Health and medicine: Pertussis diagnosis and treatment
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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Class 11 Physics (India): Product rule proof
Why does the product rule work? Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCERT) starting with…
VideoFree9
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Health and medicine: Divided attention, selective attention, inattentional blindness, & change blindness
Learn about divided attention, selective attention, inattentional blindness, & change blindness. By Carole Yue. Health and medicine The med…
VideoFree7 minutes
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Health and medicine: Tricuspid atresia
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree5 minutes
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Health and medicine: R nought and vaccine coverage
Dr. Rishi Desai is a pediatric infectious disease physician and former epidemiologist with the Centers for Disease Control and Prevention (…
VideoFree9 minutes