Body Systems and Homeostasis

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Across
  1. 2. the process where complex molecules like proteins, fats, and carbohydrates are broken down into smaller pieces
  2. 5. produce egg and sperm cells
  3. 9. occurs to increase the change or output
  4. 10. the exchange of materials between the blood and tissue cells
  5. 14. transmits signals between the brain and the rest of the body
  6. 16. gives the body its shape, allows movement
  7. 18. the breakdown of food into smaller pieces without chemical change
  8. 19. composed of muscle fibers
  9. 20. help to control the physical forces within the body
Down
  1. 1. Our internal body temperature
  2. 3. removes waste from the body
  3. 4. tube-like structures that are responsible for the transportation of fluid
  4. 6. have the special ability to shorten or contract
  5. 7. process in which the outputs of a system are circled back and used as inputs
  6. 8. the network of organs and tissues that help you breathe
  7. 11. takes in food and liquids and breaks them down
  8. 12. carries blood toward the heart
  9. 13. send signals into the bloodstream and tissues
  10. 15. delivers oxygen and nutrients to cells
  11. 17. when the product of a reaction leads to a decrease in that reaction