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The Muscular System

Explore the fascinating world of over 600 muscles in the human body! Learn about the functions, types, and major skeletal muscles that allow movement, maintain posture, and support essential bodily functions. Discover the differences between smooth, cardiac, and skeletal muscle groups with this informative guide.

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The Muscular System

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Presentation Transcript

  1. The Muscular System • The human body has over 600 muscles! • Functions: • Allows movement (both conscious and unconscious, voluntary and involuntary) • Posture • Essential bodily functions

  2. Types of Muscle • Muscles can be classified into three main groups: • Smooth muscle • Cardiac muscle • Skeletal muscle

  3. Smooth Muscle • You have no voluntary control over smooth muscle • It is found in various organs (the stomach, for example) • It contracts rythmically and fatigues very slowly

  4. Cardiac Muscle • Is found only in the heart • Is also involuntary • Very slow to fatigue • Contracts and relaxes rhythmically to force blood around the body

  5. Skeletal Muscle • Attaches to the skeleton • Allows movement • Has a stripy appearance • Is voluntarily controlled

  6. Major Skeletal Muscles • The muscles of the body are named in a descriptive way, normally in Latin. Learning some of the terms will help you identify the muscles. • Muscles are normally referred to in major groupings (ie: the quads), but it’s important to know the major muscles in each group too.

  7. On the next two slides are some unlabelled worksheets. • Use the links on our class website to correctly identify all the muscles.

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