Body systems and homeostasis

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Across
  1. 2. Muscles found in the heart
  2. 4. releases hormones
  3. 5. mouth waters that are released during eating
  4. 6. largest organ in the body
  5. 8. state of steady internal, physical, and chemical conditions maintained by living systems
  6. 10. system based around blood flow throughout the body
  7. 11. A type of blood cell that is made in the bone marrow
  8. 14. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction
  9. 16. main form of energy that is used for apt
  10. 17. filters harmful substances
  11. 19. absorbs nutrients in the food
  12. 20. internal framework of ligaments
Down
  1. 1. command center of the body
  2. 3. systems that function in a human body
  3. 7. system based around breathing
  4. 9. life supporting component in the air
  5. 12. system that transmits signals from the body to the brain
  6. 13. fights off diseases
  7. 15. Breaks down your food
  8. 18. the structural and functional unit of the kidney