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