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Muscles of the body

Muscles of the body. Topics we will be covering. What are muscles? What are the types of muscles? What do muscles do?. What are Muscles?. A body tissue that contracts or shortens making body parts move. What Are Muscles. There are about 650 muscles in the human body

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Muscles of the body

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  1. Muscles of the body

  2. Topics we will be covering • What are muscles? • What are the types of muscles? • What do muscles do?

  3. What are Muscles? • A body tissue that contracts or shortens making body parts move

  4. What Are Muscles • There are about 650 muscles in the human body • Muscle mass makes up about half of a persons body weight • Made up of muscle, tendons, nerves and blood vessels

  5. What are the types of muscles? • Smooth Muscle or Visceral Muscle • Involuntary muscles found within the walls of organs • Found in the esophagus, Stomach, Blood vessels, bronchi, bladder and many more areas • Weakest of all muscle • Stretches the most out of the 3 types of muscle

  6. What are the types of muscles? • Skeletal muscles • Voluntary muscles anchored by tendons to the bones • Used in skeletal movement and maintaining posture • 35%-45% of all body mass is skeletal muscle • Most attach to bones across joints to pull the bones together

  7. What are the types of muscles? • Skeletal Muscle • Usually comes in pairs to move a joint two different directions

  8. What are the types of muscles? • Cardiac Muscle • Involuntary muscle that is built like skeletal muscle • Only found in the heart • Does not get fatigued

  9. What do muscles do? • Cardiac and skeletal muscle are striated or appear in bands which is a sign that they are very strong unlike visceral muscle • Tendons are tough bands of connective tissue that attach muscles to bones.

  10. What do muscles do? • Origin and insertion • The origin is the stationary bone the insertion is the movable bone

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