5th Grade Ch. 2 Lesson 3 How do organs work together?

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5th Grade Ch. 2 Lesson 3 How do organs work together?

  1. 1. Ch. 2 Lesson 3 How do organs work together ?
  2. 2. organ system <ul><li>group of organs & tissues that work together to carry out a life process </li></ul>
  3. 3. skeletal system 206 bones supports body protects internal organs stores calcium
  4. 5. muscular system <ul><li>about 640 muscles </li></ul>
  5. 6. muscular system <ul><li>muscle cells work in bundles </li></ul>
  6. 7. Muscles work in pairs to move bones: 1 muscle relaxes- other muscle contracts
  7. 8. Many organ systems work together. Skeletal system + circulatory system
  8. 9. Muscular system + skeletal system work together to move body
  9. 10. Musculoskeletal System
  10. 11. Review Time
  11. 12. organ system <ul><li>group of organs and tissues that work together to carry out a life process </li></ul>
  12. 13. How many muscles are in the muscular system? <ul><li>640 </li></ul>
  13. 14. How many bones are in the skeletal system? <ul><li>About 200 bones </li></ul><ul><li>(206) </li></ul>
  14. 15. skeletal <ul><li>The muscular system works with the ___________ system to move the body. </li></ul>
  15. 16. Muscles work in ________ to move bones. pairs
  16. 17. Many organ systems work together. TRUE OR FALSE TRUE
  17. 18. 3 functions of the skeletal system supports body protects internal organs stores calcium

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