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: Mouth
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: Aldosterone and ADH
Find out how Aldosterone and ADH cause changes in volume and osmolarity. Rishi is a pediatric infectious disease physician and works at Kha…
VideoFree10 minutes
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Health and medicine: Endocrine pancreas
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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Organic chemistry: Dot structures I: Single bonds
How to draw single bonds using dots to represent valence electrons. Organic chemistry Sal and Jay cover topics covered in college organic c…
VideoFree7 minutes
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Organic chemistry: Decarboxylation
The decarboxylation (loss of carbon dioxide) of malonic acid and a beta-keto acid. Organic chemistry Sal and Jay cover topics covered in co…
VideoFree7 minutes
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Health and medicine: What is Tourette's?
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: Spermatogenesis
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: Placenta accreta
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: What is emphysema?
Emphysema is a chronic medical condition (most often caused by smoking and air pollution) where lung tissue is damaged and traps air inside…
VideoFree11 minutes
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Organic chemistry: Acetals as protecting groups and thioacetals
How acetals are used as protecting groups. Thioacetals are similar to acetals, but form from reaction of an aldehyde with a thiol (not an a…
VideoFree8 minutes
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Health and medicine: Neurotransmitter release
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree4 minutes
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Health and medicine: What are dementia and Alzheimer's
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: Panic disorder
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: Photoreceptors (rods vs cones)
In this video, I explore the similarities and differences between rods and cones. By Ronald Sahyouni. Health and medicine The medical world…
VideoFree5 minutes
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Health and medicine: Emotions: limbic system
The limbic system is a set of structures in the brain that deal with emotions and memory. It regulates autonomic or endocrine function in r…
VideoFree11 minutes