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: Sympathetic nerves affect myosin activity
Check out how the amount of Myosin that is tugging on your heart can change depending on your activity level! Rishi is a pediatric infectio…
VideoFree12 minutes
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Health and medicine: Thermoregulation by muscles
Why do we shiver when it's cold? How do our muscles make sure we don't freeze or have a heat stroke? Learn how the skin, brain, blood vesse…
VideoFree8 minutes
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Health and medicine: Microcytic anemia
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: Septic shock - pathophysiology and symptoms
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: Lung cancer diagnosis
How do we know a patient has lung cancer? Learn how health professionals use x-rays, computed tomography (CT scans), positron emission tomo…
VideoFree6 minutes
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Health and medicine: What is essential thrombocythemia?
Learn what is essential thrombocythemia as well as how to identify its signs and symptoms, diagnose it, and treat it. By Raja Narayan. Visi…
VideoFree10 minutes
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Health and medicine: Lung cancer complications
Learn how the mass of a tumor, the spread of cancer cells, the immune system’s response, and the hormones released from cancer cells contri…
VideoFree8 minutes
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Health and medicine: Auditory processing
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: Blood cell lineages
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: Neuron graded potential mechanism
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: Calcium puts myosin to work
See exactly how Calcium binds Troponin-C and allows Myosin to do some work. Health and medicine The medical world can be a confusing place.…
VideoFree10 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: Anemia of chronic disease
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: The respiratory center
Find out how the respiratory center collects information from all over the body and then helps regulate your breathing. Rishi is a pediatri…
VideoFree9 minutes
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Health and medicine: What is allergic rhinitis?
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree9 minutes