Human Circulation

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Across
  1. 2. Largest artery in the body (5 letters)
  2. 4. Liquid part of blood (6 letters)
  3. 6. Iron-containing protein in red blood cells (9 letters)
  4. 8. Condition where blood pressure is consistently high (10 letters)
  5. 9. Valve between the left atrium and left ventricle (8 letters)
Down
  1. 1. Process of blood clot formation (9 letters)
  2. 3. Tiny blood vessels where oxygen and nutrients are exchanged (8 letters)
  3. 5. Carries oxygenated blood away from the heart (7 letters)
  4. 7. Upper chamber of the heart (4 letters)