Human Body Systems

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Across
  1. 3. Blood type AB is the ____ recipient
  2. 7. the gas that is expelled from the body
  3. 8. an atrial defect is a disease of the _______.
  4. 9. the system that has brain and spinal cord
  5. 10. Blood type O is the ____ donor.
  6. 11. Type of digestion from stomach acid
  7. 12. The smallest unit of life.
  8. 13. pulmonologists study this system
  9. 16. These are made up of thousands of cells.
Down
  1. 1. the gas taken in by the respiratory system
  2. 2. the system that breaks down food
  3. 4. The amount of air the lungs can hold
  4. 5. The kidney is an example of this.
  5. 6. Type of digestion from the teeth.
  6. 7. system that moves blood around the body
  7. 13. A reaction to a stimulus
  8. 14. Something that affects the 5 senses.
  9. 15. Organ systems make up an ___________.