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Lets watch a Movie

Dive into the fascinating world of muscles! Explore how muscles contract and extend, understanding key functions like flexing, peristalsis, and shivering. Learn about the three types of muscles: skeletal, smooth, and cardiac, each serving unique roles in the body. Discover how exercise influences muscle growth through stress and atrophy. Uncover the journey of Arnold Schwarzenegger from a young boy to Mr. Universe, and how muscle health can change over time. Join us in examining the science behind muscle development and maintenance.

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Lets watch a Movie

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Presentation Transcript

  1. Lets watch a Movie http://www.youtube.com/watch?v=2dAr9qq2lFI

  2. So what are we gonna talk about? • MUSCLES

  3. Muscles what do they do? • Contract and Extend • Flexing • Extending • Peristalsis • Shivering • http://www.sci.sdsu.edu/movies/actin_myosin.html

  4. Parts of a Muscle

  5. Contraction and Extension

  6. Types of Muscle • Skeletal • Voluntary muscle that attaches to bone • Smooth • Involuntary muscle that is involved with the contractions of inner organs and tissues of the body • Cardiac • Involuntary muscle involved with heart contractions

  7. Skeletal Muscle Microscopic Regular

  8. Smooth Muscle Microscopic Regular

  9. Cardiac Muscle Heart Cardiac Muscle

  10. Exercise • Muscle Types • Slow Twitch • Fast Twitch • Exercise • Aerobic • Anaerobic

  11. Getting Big • Muscle Build Up • Exercise stresses muscle and forces the body to activate and create more and more muscle cells in the stressed muscle • Muscle Atrophy • Muscle is built up by stress. • When a muscle is not used for a while the body deactivates it and the muscle cells are broken down for cell energy

  12. Muscles to the Extreme

  13. So what happened to Arnold • How did a little kid grow up to be Mr. Universe? • What happened to Mr. Universe’s muscles?

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