Body system vocabulary

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Across
  1. 1. = Tiny air sacs in the lungs where gas exchange occurs
  2. 3. Muscle = The muscle that makes up the heart
  3. 6. = Balance the body maintains to stay healthy
  4. 8. = Muscle below the lungs that controls breathing
  5. 10. Nervous System = Nerves branching from brain and spinal cord
  6. 11. System = System that protects from disease
  7. 14. System = System that brings oxygen into the body
  8. 15. = Chemical messengers in the bloodstream
  9. 16. Vessels = Tubes that carry blood throughout the body
  10. 18. System = System that filters pathogens and drains fluid
  11. 21. System = A group of organs working together
  12. 22. System = System made of glands that produce hormones
  13. 23. Muscle = Muscle attached to bones
Down
  1. 2. = Structure made of tissues with a specific function
  2. 4. System = System that breaks down food
  3. 5. Muscle = Muscle in organs that works automatically
  4. 7. System = System made of bones
  5. 9. System = System that removes waste from blood
  6. 12. System = System that allows movement
  7. 13. System = System that controls body activities
  8. 14. System = System that produces reproductive cells
  9. 17. = Organs that release substances like hormones
  10. 19. System = System that transports oxygen and nutrients
  11. 20. System = Skin, hair, and nails that protect the body