Levels of Organization

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Across
  1. 2. Takes in air and gives oxygen to the body and removes carbon dioxide
  2. 4. The location where the absorption takes place
  3. 8. Where gas exchange takes place in the Respiratory System
  4. 9. Carries oxygenated blood
Down
  1. 1. Breaks down food to molecules that are absorbed for your cells to use
  2. 3. Moves blood around the body which carries oxygen, nutrients, and carbon dioxide
  3. 5. Churns the food to mix it with digestive juices
  4. 6. Carries blood with carbon dioxide
  5. 7. Pumps the blood through the body