Body Systems and Homeostasis

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Across
  1. 2. the secretions of enzymes throughout your digestive tract.
  2. 4. cells that have the special ability to shorten or contract
  3. 6. very tiny blood vessels
  4. 7. An organ that makes one or more substances
  5. 8. the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements.
  6. 9. A blood vessel that carries blood from the heart to tissues and organs in the body.
  7. 12. food is broken down by processes that are not chemical in origin.
  8. 13. groups of organs and tissues that work together to perform important jobs for the body
  9. 15. controls everything you do, including breathing, walking, thinking, and feeling.
  10. 16. system of organs responsible for getting food into and out of the body and for making use of food to keep the body healthy.
  11. 17. a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate.
  12. 18. chemical substances that act like messenger molecules in the body
  13. 19. self-regulating process by which biological systems maintain stability while adjusting to changing external conditions
  14. 20. an organ system responsible for providing strength, keeping up the balance, maintaining posture, allowing movement, and producing heat.
Down
  1. 1. Your body's central framework
  2. 3. The systems that excrete wastes from the body
  3. 5. the glands and organs that make hormones and release them directly into the blood so they can travel to tissues and organs all over the body
  4. 10. The tissues, glands, and organs involved in producing offspring
  5. 11. returns deoxygenated blood from your organs back to your heart
  6. 14. an elongated contractile cell that forms the muscles of the body