HBS Test Practice 2

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Across
  1. 4. one part of the nervous system
  2. 6. brain, nerves, spinal cord
  3. 11. kidneys, bladder
  4. 13. heart, veins, arteries
  5. 14. one part of the muscular system
Down
  1. 1. white blood cells, lymph nodes
  2. 2. one part of the immune system
  3. 3. one organ in the cardiovascular system
  4. 5. lungs, trachea, diaphragm
  5. 7. one organ in the excretory system
  6. 8. one organ in the digestive system
  7. 9. arm and leg muscles, heart muscles
  8. 10. one organ in the respiratory system
  9. 12. stomach, intestines, esophagus