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Mrs. Wharton’s Science Class

Muscles ( Important stuff you should have in your notes). Mrs. Wharton’s Science Class. Purpose. The purpose of the muscular system is to give the body strength and to give the body its final shape. Muscles Types. Voluntary - You control ( smiling or turning the pages in a book)

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Mrs. Wharton’s Science Class

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  1. Muscles ( Important stuff you should have in your notes) Mrs. Wharton’s Science Class

  2. Purpose • The purpose of the muscular system is to give the body strength and to give the body its final shape.

  3. Muscles Types • Voluntary- You control ( smiling or turning the pages in a book) • Involuntary- You don’t control ( heart beating, digestive system)

  4. Muscle Tissue Types • Skeletal- attached to the bones of your skeleton • Tendon- attaches muscle to bone • Striated or striped.

  5. Muscle Tissue Types • Smooth Muscle- these are involuntary because they work automatically. Usually found inside organs. • Cardiac Muscles- Found in the heart. These are involuntary.

  6. Works in pairs • Because muscle cells can only contract, not extend, skeletal muscles must work in pairs. • While one muscles contracts, the other relaxes to its original length. It is important to exercise to maintain muscular strength and growth!!!!

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