Circulatory and Respiratory Systems

4. Elastic, sponge-like organs in the chest that are the main organs of the respiratory system
6. A transport system that uses blood to carry nutrients and oxygen to the cells of the body
8. A blood vessel that carries blood toward the heart
9. Muscular organ that pumps blood through the body
10. Either upper chamber of the heart
14. The process in which oxygen is combined with food (glucose) to release energy
15. a yellowish fluid that is mostly water in which blood cells are suspended and stop bleeding
16. A blood vessel that carries blood away from the heart

1. a tiny blood vessel that connects an artery to a vein and that exchanges substances such as gases and nutrients between the blood and the body cells
2. The tube that transports air from the throat to the lungs, also called the windpipe
3. yellowish fluid that is mostly water in which blood cells are suspended
5. A pair of tubes that branch off the trachea and enter the lungs
7. Air sacs within the lungs where gases are exchanges between the lungs and the blood
11. The body system that takes in oxygen and release carbon dioxide
12. A sheet-like muscle beneath the lungs that expands and contracts the chest cavity to control breathing
13. Either lower chamber of the heart