Human Body Systems

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Across
  1. 4. The system responsible for producing offspring
  2. 5. This system controls all the other systems and includes the brain
  3. 7. Part of the digestive system where food is churned and mixed with acid
  4. 10. This system breaks down food into nutrients the body can use
  5. 12. These organs are responsible for exchanging oxygen and carbon dioxide
  6. 14. The system that helps the body take in oxygen and remove carbon dioxide
  7. 15. The system responsible for pumping blood throughout the body
  8. 17. The body system that allows movement and supports posture
Down
  1. 1. The main organ in the circulatory system that pumps blood
  2. 2. These organs filter blood and produce urine as part of the excretory system
  3. 3. The heart, veins, and arteries are part of this system
  4. 6. The control center of the nervous system located in the head
  5. 8. Muscles work with bones to help the body do this
  6. 9. The small air sacs in the lungs where oxygen is exchanged are called this
  7. 11. The body system responsible for removing waste and excess water
  8. 13. The bones make up this system and provide support for the body
  9. 16. This system protects the body from illness and infections