Body Systems and Homeostasis

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Across
  1. 5. breaking down food
  2. 6. groups of organs and tissues that work together to perform specific functions
  3. 12. consist of a single muscle cell
  4. 13. organ or group of cells that produces and releases substances
  5. 15. oxygen and expelling carbon dioxide
  6. 17. includes the brain, spinal cord, and a complex network of nerves
  7. 18. organs and tissues responsible for sexual reproduction
  8. 19. a group of organs that work together to break down food into smaller molecules
  9. 20. soft tissue composed of cells that can contract
Down
  1. 1. blood vessels that bring oxygen-rich blood from your heart to all of your body's cells
  2. 2. system that removes excess and waste products from the body to maintain homeostasis
  3. 3. a network of glands and organs that produce and release hormones
  4. 4. transports oxygen, nutrients, and hormones to cells and removes waste products
  5. 7. bones that give structure to the human body
  6. 8. delicate blood vessels (tubes that hold blood)
  7. 9. the body's network of muscles
  8. 10. collect oxygen-poor blood and return it to your heart
  9. 11. the body's ability to maintain a stable internal environment despite external changes
  10. 14. your body's chemical messengers
  11. 16. A state of balance among all the body systems