Body Systems Crossword Puzzle

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Across
  1. 1. muscle that contracts and relaxes causing one to breath in and out
  2. 6. system that moves blood throughout the body
  3. 7. organ in the chest cavity where respiration occurs
  4. 8. control system of the nervous system
  5. 10. controls the body through a network of cells and fibers that transmit impulses
  6. 12. system that deals with the exchange of gases through breathing
  7. 13. provides shape; supports and protects the body
  8. 14. breaks down food
Down
  1. 2. works with skeletal and nervous systems to produce movement
  2. 3. also known as the oral cavity serves as an intake for food, drink, and oxygen
  3. 4. another name for the heart muscle
  4. 5. type of joint including elbows and knees
  5. 8. the fluid of life transporting oxygen and nutrients to the rest of the body
  6. 9. connective tissue joining muscles to bones
  7. 11. blood vessels that carry blood away from the heart