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Muscular System

Explore the various types of muscles in the human body, including skeletal, smooth, and cardiac muscles. Understand how muscles work in pairs and the difference between voluntary and involuntary muscle movements.

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Muscular System

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  1. Muscular System

  2. Muscles • An organ • Attached to bones with tendons • Some muscles form the simple machine– • A lever

  3. Types of muscles • Voluntary • You make the muscle move • Skeletal • The muscles appears • Striated or striped • Involuntary • You have little to no control over the muscle • Smooth- non striated • and cardiac-striated

  4. Smooth muscle • Found in intestines, bladder, blood vessels, and other internal organs • Involuntary • Non-striated

  5. Cardiac • Only found in the heart • Striated like skeletal muscle • However, it is involuntary-you have no control over it

  6. Skeletal • Striated • Voluntary • Most common type found in your body

  7. Muscles • Muscles work in pairs. • They are called extensors and flexors. • When the extensor contracts the flexor relaxes and when extensor relaxes than the flexor contracts.

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