CIRCULATORY SYSTEM

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Across
  1. 4. divide between the upper and lower chambers.
  2. 6. The heart is positioned between them, more on the left side.
  3. 8. upper chambers of the heart
  4. 9. valve on the right side of the heart
  5. 11. VESSELS The channel that transports substances
  6. 14. SEMILUNAR Valve taking blood to Aorta
Down
  1. 1. The heart is a _____ organ.
  2. 2. valve on the left side of the heart
  3. 3. The power centre of the circulatory system
  4. 5. The medium that carries substances
  5. 7. vertical division in the heart.
  6. 10. SEMILUNAR valve taking blood to lungs
  7. 12. SYSTEM The circulatory system is an ____ as it involves use of multiple organs.
  8. 13. lower chambers of the heart.