The Circulatory System

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Across
  1. 3. blood vessels that return blood to the heart
  2. 5. wall that separates the right and left side of the heart
  3. 6. type of blood vessel that carries blood away from the heart
  4. 8. body system that brings nutrients & oxygen to all parts of the body and removes waste from the same parts
  5. 12. the heart valve between the right atrium & the right ventricle
  6. 14. protein inside of red blood cells
  7. 15. examples: A, B, AB & O
Down
  1. 1. type of blood cell that fights diseases
  2. 2. main artery which carries nutrient-rich blood away from the heart
  3. 3. connect each atrium to the ventricle below
  4. 4. abbreviation for beats per minute
  5. 5. medical instrument used to hear the heart beats
  6. 7. prefix meaning "pertaining to the heart"
  7. 8. connect arteries to veins
  8. 9. type of blood cell that makes us 44% of blood and delivers oxygen to the body
  9. 10. chambers of the heart that receives blood
  10. 11. heart valve between the right ventricle & pulmonary veins
  11. 13. heart valve between the left atrium and left ventricle
  12. 14. four-chambered, hollow, muscular organ that pumps blood through the body