Unit 4 -- Homeostasis

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Across
  1. 4. an individual living thing
  2. 6. system responsible for protection against disease; stores and generates white blood cells
  3. 8. the basic unit of structure and function of a living organism
  4. 10. the process by which different types of cells develop
  5. 13. an environmental condition that is sensed by a living organism
  6. 14. system of bones responsible for structure, movement, organ protection, and production of red blood cells.
  7. 16. a group of tissues that together perform a function
  8. 21. widening of blood vessels to increase bloodflow
  9. 22. system that includes the brain, spinal cord, and nerves; responsible for sensing stimuli, making decisions, and initiating responses
  10. 23. a response to a stimulus
  11. 24. narrowing of blood vessels to decrease bloodflow
  12. 25. the maintenance of internal systems
  13. 26. systems that filter and rid the body of wastes
Down
  1. 1. mechanism that increases the likelihood of an event to continue
  2. 2. system responsible for movement of the body, and the movement of fluids and digestive products within the body
  3. 3. system responsible for the intake and breakdown of food, the absorption of nutrients, and the elimination of some wastes.
  4. 5. system responsible for the development of offspring; the only system not required for homeostasis
  5. 7. control of body temperature
  6. 8. system responsible for delivering nutrients, hormones, and oxygen to cells and wastes away from cells.
  7. 9. the result of the decision made at the sensing of a stimulus
  8. 11. skin and hair that acts as a barrier to prevent water loss, prevent UV radiation damage, and provides thermoregulation
  9. 12. the point at which stem cells are committed to becoming only one type of cell
  10. 15. mechanism that decreases the likelihood of an event to continue
  11. 17. system responsible for the exchange of oxygen and carbon dioxide with the environment
  12. 18. a group of organs that together perform a function
  13. 19. a group of like cells that perform a function
  14. 20. system that includes glands that release hormones into the bloodstream; responsible for growth, development, and metabolism