Living Systems

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Across
  1. 3. the key word for the digestive system
  2. 4. this organ is a muscle that helps our lungs expand and relax
  3. 7. this system breaks down food and absorbs nutrients
  4. 9. this system sends nutrients through the blood to the rest of the body
  5. 12. this system supports and moves the body
  6. 13. this organ is known as the windpipe that connects the nose/mouth to the lungs
  7. 15. the key word for the respiratory system
Down
  1. 1. this part of our body contracts and relaxes in order to move
  2. 2. carries blood, oxygen, and nutrients throughout the body
  3. 5. this system exchanges oxygen and carbon dioxide
  4. 6. this organ holds food for 4 hours and releases acids to assist in breaking food down
  5. 8. This is the organ where the first step in the digestive system happens
  6. 10. pumps blood and nutrients throughout body
  7. 11. the key word for the musculoskeletal system
  8. 14. the key word for the circulatory system