Circulatory Stuff

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Across
  1. 3. Lower chambers of the heart
  2. 4. Pressure exerted by blood on blood vessel walls
  3. 6. An iron containing protein found in blood
  4. 7. Connective tissue made of plasma, blood cells, and platelets
  5. 8. The liquid part of blood
  6. 9. Upper chamber of the heart
  7. 10. Blood vessels that carry blood back to the heart
Down
  1. 1. Inflammation of the lungs
  2. 2. Blood vessels that carry blood away from the heart
  3. 5. The main organs of the respiratory system