Heart Crossword

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Across
  1. 2. Tissue Flap that stops blood from flowing backwards
  2. 3. ____side is oxygen rich
  3. 6. ____ side is oxygen poor
  4. 8. Lower chambers of the heart that pump blood out
  5. 9. Separator of the two sides of the heart
  6. 10. The heart has ____ sides
Down
  1. 1. The function of the CVS is to bring oxygen and needed materials to the _____.
  2. 4. The heart has ____ chambers
  3. 5. Upper chambers of the heart that receive blood
  4. 7. Organ that pumps blood to the body.