Body Systems & Homeostasis

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Across
  1. 1. the _____ system pumps blood from the heart to the lungs to get oxygen.
  2. 4. the _____ system is the control and communication system of the body.
  3. 6. _____ digestion is the process where complex molecules are broken down into their chemical building blocks.
  4. 10. the _____ system is made up of organs called glands that produce and release different hormones in the body.
  5. 12. the _____ system removes excess, unnecessary materials from the body fluids of an organism.
  6. 14. muscle _____ consist of muscle cells connected together in sheets and fibers.
  7. 16. the _____ system is made up of the digestive tract and other organs that help the body break down and absorb food.
  8. 17. tubelike structures that are responsible for the transportation of fluid.
  9. 18. organ that makes one or more substances such as sweat, tears, and saliva.
  10. 20. an organism's ability to keep a constant internal environment.
Down
  1. 2. the system of tissues, glands, and organs involved in producing offspring.
  2. 3. self-regulating process when an organism tends to maintain stability while adjusting to conditions for its survival.
  3. 5. _____ digestion is the breakdown of food into smaller pieces without chemical change to food molecules.
  4. 7. _____ are the body's chemical messengers and send signals into the bloodstream and tissues.
  5. 8. the _____ system is responsible for the movement of the human body.
  6. 9. muscle _____ work to generate movement of your body and internal organs.
  7. 11. this system is the network of organs and tissues that help you breathe.
  8. 13. _____ are delicate blood vessels that exist throughout your body.
  9. 15. located throughout the body and collect oxygen-poor blood and return it to your heart.
  10. 19. the _____ system is the foundation of your body, giving it structure and allowing for movement.