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7:51
Khan Academy
Rishi Desai
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Learn how blood flows through the heart, and understand the difference between systemic and pulmonary blood flow. Rishi is a pediatric infectious disease physician and works at Khan Academy.
Oct 11, 2012
Khan Academy Courses
9:30
Introduction to physics
Khan Academy
Oct 6, 2015
2:24
Khan Academy Goes Way Beyond Math: New Courses Launch for 2024 School Year in STEM, Humanities, Computer Science, and More
Khan Academy
Khan Academy
Aug 6, 2024
0:31
17K views · 386 reactions | Ever heard (or felt) “I’m just not a math person”? Try practicing on Khan Academy: instant feedback, no judgement, a variety of questions, and hints along the way. Give it a try! khan.co/mathonkhan | Khan Academy | Facebook
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