Day 1 Review

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Across
  1. 2. Cardio
  2. 8. The heart is considered a ___________.
  3. 9. waste product from our cells.
  4. 10. After Oxygen is dumped into the cells, your red blood cells take Carbon Dioxide to the ___________.
  5. 11. All blood cells are made in bone ___________.
  6. 13. Overheats pathogens that cause infection.
  7. 14. A protein that attaches to oxygen gives blood its red color.
  8. 15. Medical name for Red Blood Cells.
Down
  1. 1. The blood is also responsible for _________ normal body temperature.
  2. 3. The body in a normal state.
  3. 4. blood vessels
  4. 5. The smallest living unit of life.
  5. 6. A pathogen can only survive and cause infection if it enters the ____________.
  6. 7. A microscopic organism that causes infection.
  7. 12. Red blood cells deliver _________ to all body cells