Hank tells us the story of the complicated chemical dance that allows our skeletal muscles to contract and relax. Like CrashCourse: www.facebook.com/YouTubeCrashCourse Follow CrashCourse: www.twitter.com/TheCrashCourse Table of Contents 1) Cardiac, Smooth, & Skeletal Muscles 01:09 2) Muscle Anatomy 02:03 a) Muscle Fibers 03:07 b) Myofibrils 04:15:1 c) Sarcomeres 04:19:1 d) Myofilaments 04:37:2 3) Biolography 05:37:1 4) Sliding Filament Model 07:47 References for this episode can be found in the Google document here: dft.ba/-3syE crash course, crashcourse, biology, muscular system, muscle, cellular respiration, energy, ATP, human body, chemistry, cardiac muscle, smooth muscle, skeletal muscle, contract, relax, tendon, anatomy, physiology, fascicle, fibers, protein, myofibril, sarcomere, myofilament, actin, myosin, sliding filament model, biolography, electron microscope, tropomyosin, troponin, sarcoplasmic reticulum, motor neuron Support CrashCourse on Subbable: subbable.com/crashcourse

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