Body Parts Crossword 1

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Across
  1. 2. Blood vessels that carry blood away from the heart.(8)
  2. 3. Airways that connect the trachea and the lungs(7)
  3. 5. Largest and most complex part of the brain(8)
  4. 9. Bean shaped organs about the size of a fist(7)
  5. 10. Windpipe(7)
  6. 14. Muscle that opens a joint(9)
  7. 15. Muscle that closes a joint(7)
  8. 17. Doctors who study the ____ are called cardiologists.(5)
Down
  1. 1. Muscle that separates the chest from the abdominal cavity(9)
  2. 4. Blood vessels that return blood to the heart(5)
  3. 6. Outer layer of the skin(9)
  4. 7. Where digestion begins(5)
  5. 8. This uses nearly 20% of body's energy.(5)
  6. 11. These make up about 40% of total body weight.(7)
  7. 12. The exchange of gases between the body and the environment.(11)
  8. 13. Transparent tissue that bends and focuses light before it enters the lens.(6)
  9. 16. When you blush, the lining of your_____ also turns red.(7)