Body Systems Crossword (Last One!!!)

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Across
  1. 2. Blood vessels that carry blood TO the heart.
  2. 5. proteins that affect the many body processes. Part of digestive system.
  3. 7. What are the top 2 chambers of the heart called?
  4. 9. The exchange of gases between your body and the air.
  5. 10. The organ where oxygen is transferred to the blood, and carbon dioxide is removed from the blood.
  6. 11. What are the bottom 2 chambers of the heart called?
  7. 13. The body system that moves blood through the body.
  8. 14. A coiled, tube-like organ that is about 20 feet long. Part of digestive system
Down
  1. 1. The process of changing food into material the body can use.
  2. 3. A fluid made by the salivary glands that moistens and softens food.
  3. 4. Blood vessels that carry blood AWAY from the heart.
  4. 5. The flap of tissue that closes over the trachea when you swallow.
  5. 6. Tiny blood vessels that connect veins and arteries.
  6. 8. The windpipe that directs air in to the lungs.
  7. 12. The upper part of the respiratory system which contains the vocal cords.