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Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
Muscular System Ppt
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Muscular System Ppt

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  • 1. <ul><li>Functions of the Muscular System </li></ul><ul><li>Involuntary </li></ul><ul><li>Some involuntary functions of the muscular system are muscles to help you breathe, make your heart beat, and help move food through the digestive system. </li></ul><ul><li>Voluntary </li></ul><ul><li>Some voluntary functions of the muscular system are like playing piano, running, playing video games, and throwing a ball. </li></ul>The Muscular System
  • 2. Muscular system <ul><li>Nearly half of body weight is muscle weight. </li></ul><ul><li>The 206 bones of the skeletal framework are covered by nearly 650 muscles. </li></ul>
  • 3. Muscle fibers <ul><li>Muscles are composed of many bundles of stringy fibers bound together in bunches. </li></ul>
  • 4. Tendons & ligaments <ul><li>Muscles are connected to bones by tendons, which are tough, elastic-type bands of connective tissue. </li></ul><ul><li>Bones are connected to each other by ligaments. </li></ul>
  • 5. Muscle Contraction <ul><li>Muscles, when stimulated by a nerve to act, contract and produce body heat. </li></ul>
  • 6. Muscles work in pairs
  • 7. Lactic Acid Fermentation <ul><li>Muscles also produce a chemical called lactic acid if the muscles work a long time. </li></ul><ul><li>This acid causes muscles to become tired. </li></ul>
  • 8. Exercise <ul><li>In order to strengthen muscles, plenty of daily, vigorous exercise for short periods, with gradually more effort each time, is necessary. </li></ul><ul><li>Muscle fiber increases in size with use - not in number as once thought. </li></ul><ul><li>Muscles not exercised will shrivel and become weak. </li></ul><ul><li>This deterioration can happen over a short period of time. </li></ul>
  • 9. 3 Types of muscles <ul><li>Skeletal Muscle </li></ul><ul><li>Smooth Muscle </li></ul><ul><li>Cardiac Muscle </li></ul>
  • 10. Skeletal muscle
  • 11. Smooth muscle
  • 12. Cardiac muscle
  • 13. <ul><li>Problems of the Muscle System </li></ul><ul><li>Bruise - is a area of discolored skin that appears after an injury. </li></ul><ul><li>Tendonitis - is a inflammation of the tendon, caused by injury or over use aging </li></ul><ul><li>Hernia - when a organ or tissue protrudes through an area of weak muscle. </li></ul>The Muscular System

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