Heart Unit 1 Vocabulary Crossword Puzzle

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Across
  1. 3. anchor AV valves to walls of ventricles
  2. 5. valves located between ventricles and arteries
  3. 7. left AV valve between left atria and left ventricle
  4. 9. outermost layer of the heart muscle
  5. 12. semilunar valve between right ventricle and pulmonary trunk
  6. 13. middle layer of heart muscle; contracts heart
  7. 14. valves located between atria and ventricles
Down
  1. 1. circuit pump sending oxygen-poor blood to lungs
  2. 2. innermost layer of the heart muscle
  3. 4. right AV valve between right atria and right ventricle
  4. 5. circuit pump sending oxygen-rich blood to tissues
  5. 6. semilunar valve between left ventricle and aorta
  6. 8. protects heart and anchors it to diaphragm
  7. 10. superior chambers of the heart that receive blood
  8. 11. inferior chambers of the heart that pump blood