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Curated by: Khan Academy India - English (6 videos)
What if your cells had tiny hair that could row like oars or whip like propellers? Meet cilia and flagella - the microscopic motors that power cellular movement! From the beating cilia that sweep mucus out of your lungs to the whip-like flagella that help sperm cells race toward their destination, these incredible structures follow a universal blueprint: the mysterious 9+2 arrangement of microtubules that's been perfected over millions of years of evolution. Discover how these cellular "engines" work, why they're built like perfectly engineered machines, and how they differ between prokaryotes and eukaryotes in ways that will blow your mind! 00:00 - Introduction 00:42 - Cilia - Introduction & examples 01:19 - Flagella - Introduction & examples 01:55 - Cross-section of cilia& flagella - Axoneme 03:10 - Basal body 03:40 - Action within the axoneme 04:15 - Interaction between microtubule & dynein 05:16 - How do cilia move? Like oars in a boat 06:06 - How does Paramoecium eat? Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Vandhana Ashok