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Lesson #6:

Lesson #6: . Objective: Names of muscles Types of muscles. Muscles. Voluntary muscles: Ones you control Involuntary muscles: Ones that work automatically. 3 types of muscles: Skeletal: 640 voluntary muscles attached to the skeleton

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Lesson #6:

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  1. Lesson #6: Objective: Names of muscles Types of muscles

  2. Muscles Voluntary muscles: Ones you control Involuntary muscles: Ones that work automatically. 3 types of muscles: Skeletal: 640 voluntary muscles attached to the skeleton Cardiac: involuntary muscles that work your heart Smooth/ Visceral: Involuntary muscles in the walls of the organs. Muscle intro: http://kidshealth.org/PageManager.jsp?lic=1&article_set=59302&cat_id=20607

  3. How do muscles move bones? When a muscle contracts it shortens and tightens, pulling the bone with it. Flexion: A joint closes Extension: A joint opens. Muscle pairs: They work together to move bones, ex. Biceps and triceps, quadriceps and hamstrings

  4. Muscle Pairs

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